76640768296 has 64 divisors (see below), whose sum is σ = 155167650000. Its totient is φ = 35353264128.

The previous prime is 76640768263. The next prime is 76640768299. The reversal of 76640768296 is 69286704667.

It can be written as a sum of positive squares in 8 ways, for example, as 71870103396 + 4770664900 = 268086^2 + 69070^2 .

It is not an unprimeable number, because it can be changed into a prime (76640768299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8998536 + ... + 9007048.

Almost surely, 2^76640768296 is an apocalyptic number.

It is an amenable number.

76640768296 is an abundant number, since it is smaller than the sum of its proper divisors (78526881704).

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

76640768296 is a wasteful number, since it uses less digits than its factorization.

76640768296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9838 (or 9834 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 76640768296 in words is "seventy-six billion, six hundred forty million, seven hundred sixty-eight thousand, two hundred ninety-six".