76803454815760 has 80 divisors (see below), whose sum is σ = 189111334086576. Its totient is φ = 28908231819264.

The previous prime is 76803454815757. The next prime is 76803454815767. The reversal of 76803454815760 is 6751845430867.

It can be written as a sum of positive squares in 8 ways, for example, as 937891528704 + 75865563287056 = 968448^2 + 8710084^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 76803454815692 and 76803454815701.

It is not an unprimeable number, because it can be changed into a prime (76803454815767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678952 + ... + 12412408.

Almost surely, 2^{76803454815760} is an apocalyptic number.

It is an amenable number.

76803454815760 is an abundant number, since it is smaller than the sum of its proper divisors (112307879270816).

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

76803454815760 is a wasteful number, since it uses less digits than its factorization.

76803454815760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11738300 (or 11738294 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 76803454815760 in words is "seventy-six trillion, eight hundred three billion, four hundred fifty-four million, eight hundred fifteen thousand, seven hundred sixty".