75699263952 has 120 divisors (see below), whose sum is σ = 228828078024. Its totient is φ = 23222771712.

The previous prime is 75699263873. The next prime is 75699263993. The reversal of 75699263952 is 25936299657.

75699263952 is a `hidden beast` number, since 7 + 569 + 9 + 2 + 63 + 9 + 5 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2260431936 + 73438832016 = 47544^2 + 270996^2 .

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 75699263952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570868 + ... + 690860.

Almost surely, 2^75699263952 is an apocalyptic number.

75699263952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75699263952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114414039012).

75699263952 is an abundant number, since it is smaller than the sum of its proper divisors (153128814072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75699263952 is a wasteful number, since it uses less digits than its factorization.

75699263952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120357 (or 120348 counting only the distinct ones).

The product of its digits is 55112400, while the sum is 63.

The spelling of 75699263952 in words is "seventy-five billion, six hundred ninety-nine million, two hundred sixty-three thousand, nine hundred fifty-two".