78936078882388 has 24 divisors (see below), whose sum is σ = 170016169901312. Its totient is φ = 31227459777504.

The previous prime is 78936078882377. The next prime is 78936078882461. The reversal of 78936078882388 is 88328887063987.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108428679420 + ... + 108428680147.

Almost surely, 2^{78936078882388} is an apocalyptic number.

It is an amenable number.

78936078882388 is an abundant number, since it is smaller than the sum of its proper divisors (91080091018924).

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

78936078882388 is a wasteful number, since it uses less digits than its factorization.

78936078882388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216857359591 (or 216857359589 counting only the distinct ones).

The product of its (nonzero) digits is 12485394432, while the sum is 85.

The spelling of 78936078882388 in words is "seventy-eight trillion, nine hundred thirty-six billion, seventy-eight million, eight hundred eighty-two thousand, three hundred eighty-eight".