78913626267 has 32 divisors (see below), whose sum is σ = 127196494848. Its totient is φ = 42542032896.

The previous prime is 78913626247. The next prime is 78913626271. The reversal of 78913626267 is 76262631987.

It is not a de Polignac number, because 78913626267 - 2⁷ = 78913626139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78913626247) 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, 1083798 + ... + 1154315.

It is an arithmetic number, because the mean of its divisors is an integer number (3974890464).

Almost surely, 2^78913626267 is an apocalyptic number.

78913626267 is a deficient number, since it is larger than the sum of its proper divisors (48282868581).

78913626267 is a wasteful number, since it uses less digits than its factorization.

78913626267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238219.

The product of its digits is 9144576, while the sum is 57.

The spelling of 78913626267 in words is "seventy-eight billion, nine hundred thirteen million, six hundred twenty-six thousand, two hundred sixty-seven".