78932864679 has 16 divisors (see below), whose sum is σ = 114446382048. Its totient is φ = 48187948032.

The previous prime is 78932864677. The next prime is 78932864683. The reversal of 78932864679 is 97646823987.

It is not a de Polignac number, because 78932864679 - 2¹ = 78932864677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78932864677) 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, 20913022 + ... + 20916795.

It is an arithmetic number, because the mean of its divisors is an integer number (7152898878).

Almost surely, 2^78932864679 is an apocalyptic number.

78932864679 is a deficient number, since it is larger than the sum of its proper divisors (35513517369).

78932864679 is a wasteful number, since it uses less digits than its factorization.

78932864679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41829874.

The product of its digits is 219469824, while the sum is 69.

The spelling of 78932864679 in words is "seventy-eight billion, nine hundred thirty-two million, eight hundred sixty-four thousand, six hundred seventy-nine".