76950069520 has 20 divisors (see below), whose sum is σ = 178908911820. Its totient is φ = 30780027776.

The previous prime is 76950069503. The next prime is 76950069529. The reversal of 76950069520 is 2596005967.

It can be written as a sum of positive squares in 2 ways, for example, as 12326328576 + 64623740944 = 111024^2 + 254212^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (76950069529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480937855 + ... + 480938014.

It is an arithmetic number, because the mean of its divisors is an integer number (8945445591).

Almost surely, 2^76950069520 is an apocalyptic number.

It is an amenable number.

76950069520 is an abundant number, since it is smaller than the sum of its proper divisors (101958842300).

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

76950069520 is a wasteful number, since it uses less digits than its factorization.

76950069520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961875882 (or 961875876 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 76950069520 in words is "seventy-six billion, nine hundred fifty million, sixty-nine thousand, five hundred twenty".