78507794001 has 32 divisors (see below), whose sum is σ = 128995308288. Its totient is φ = 41358631680.

The previous prime is 78507793957. The next prime is 78507794023. The reversal of 78507794001 is 10049770587.

It is not a de Polignac number, because 78507794001 - 2¹⁰ = 78507792977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78507794801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37171 + ... + 397991.

It is an arithmetic number, because the mean of its divisors is an integer number (4031103384).

Almost surely, 2^78507794001 is an apocalyptic number.

It is an amenable number.

78507794001 is a deficient number, since it is larger than the sum of its proper divisors (50487514287).

78507794001 is a wasteful number, since it uses less digits than its factorization.

78507794001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361641.

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 78507794001 in words is "seventy-eight billion, five hundred seven million, seven hundred ninety-four thousand, one".