75764764516 has 27 divisors (see below), whose sum is σ = 154243258617. Its totient is φ = 32468961840.

The previous prime is 75764764487. The next prime is 75764764541. The reversal of 75764764516 is 61546746757.

It is a happy number.

The square root of 75764764516 is 275254.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42129204516 + 33635560000 = 205254^2 + 183400^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3843726 + ... + 3863386.

Almost surely, 2^75764764516 is an apocalyptic number.

75764764516 is the 275254-th square number.

It is an amenable number.

75764764516 is an abundant number, since it is smaller than the sum of its proper divisors (78478494101).

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

75764764516 is an frugal number, since it uses more digits than its factorization.

75764764516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39340 (or 19670 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 58.

The spelling of 75764764516 in words is "seventy-five billion, seven hundred sixty-four million, seven hundred sixty-four thousand, five hundred sixteen".