75803866369 has 48 divisors (see below), whose sum is σ = 97215552000. Its totient is φ = 58445318400.

The previous prime is 75803866361. The next prime is 75803866381. The reversal of 75803866369 is 96366830857.

It is a happy number.

It is not a de Polignac number, because 75803866369 - 2³ = 75803866361 is a prime.

It is a super-2 number, since 2×75803866369² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (75803866361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22565712 + ... + 22569070.

It is an arithmetic number, because the mean of its divisors is an integer number (2025324000).

Almost surely, 2^75803866369 is an apocalyptic number.

It is an amenable number.

75803866369 is a deficient number, since it is larger than the sum of its proper divisors (21411685631).

75803866369 is a wasteful number, since it uses less digits than its factorization.

75803866369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814 (or 3807 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 75803866369 in words is "seventy-five billion, eight hundred three million, eight hundred sixty-six thousand, three hundred sixty-nine".