78933552747 has 32 divisors (see below), whose sum is σ = 130694430720. Its totient is φ = 41352521760.

The previous prime is 78933552721. The next prime is 78933552767. The reversal of 78933552747 is 74725533987.

It is not a de Polignac number, because 78933552747 - 2⁷ = 78933552619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78933552767) 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 31 ways as a sum of consecutive naturals, for example, 3178413 + ... + 3203150.

It is an arithmetic number, because the mean of its divisors is an integer number (4084200960).

Almost surely, 2^78933552747 is an apocalyptic number.

78933552747 is a deficient number, since it is larger than the sum of its proper divisors (51760877973).

78933552747 is a wasteful number, since it uses less digits than its factorization.

78933552747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381623.

The product of its digits is 44452800, while the sum is 60.

The spelling of 78933552747 in words is "seventy-eight billion, nine hundred thirty-three million, five hundred fifty-two thousand, seven hundred forty-seven".