78292625019 has 32 divisors (see below), whose sum is σ = 124347285504. Its totient is φ = 42875079840.

The previous prime is 78292624913. The next prime is 78292625023. The reversal of 78292625019 is 91052629287.

It is not a de Polignac number, because 78292625019 - 2²⁰ = 78291576443 is a prime.

It is a super-2 number, since 2×78292625019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78292625819) 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, 516759 + ... + 650864.

It is an arithmetic number, because the mean of its divisors is an integer number (3885852672).

Almost surely, 2^78292625019 is an apocalyptic number.

78292625019 is a deficient number, since it is larger than the sum of its proper divisors (46054660485).

78292625019 is a wasteful number, since it uses less digits than its factorization.

78292625019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167767.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 78292625019 in words is "seventy-eight billion, two hundred ninety-two million, six hundred twenty-five thousand, nineteen".