78107334988 has 6 divisors (see below), whose sum is σ = 136687836236. Its totient is φ = 39053667492.

The previous prime is 78107334979. The next prime is 78107335003. The reversal of 78107334988 is 88943370187.

It is a super-2 number, since 2×78107334988² (a number of 23 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 9763416870 + ... + 9763416877.

Almost surely, 2^78107334988 is an apocalyptic number.

It is an amenable number.

78107334988 is a deficient number, since it is larger than the sum of its proper divisors (58580501248).

78107334988 is a wasteful number, since it uses less digits than its factorization.

78107334988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19526833751 (or 19526833749 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 78107334988 in words is "seventy-eight billion, one hundred seven million, three hundred thirty-four thousand, nine hundred eighty-eight".