78770924004 has 48 divisors (see below), whose sum is σ = 189026784128. Its totient is φ = 25512081408.

The previous prime is 78770923993. The next prime is 78770924027. The reversal of 78770924004 is 40042907787.

It is an unprimeable number.

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, 200772 + ... + 444804.

Almost surely, 2^78770924004 is an apocalyptic number.

78770924004 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

78770924004 is an abundant number, since it is smaller than the sum of its proper divisors (110255860124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78770924004 is a wasteful number, since it uses less digits than its factorization.

78770924004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244804 (or 244802 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 78770924004 in words is "seventy-eight billion, seven hundred seventy million, nine hundred twenty-four thousand, four".