78881882618232 has 96 divisors (see below), whose sum is σ = 214720016468880. Its totient is φ = 26161117585920.

The previous prime is 78881882618197. The next prime is 78881882618237. The reversal of 78881882618232 is 23281628818887.

78881882618232 is a `hidden beast` number, since 7 + 8 + 88 + 188 + 261 + 82 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78881882618237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10919388 + ... + 16643220.

Almost surely, 2^{78881882618232} is an apocalyptic number.

78881882618232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

78881882618232 is an abundant number, since it is smaller than the sum of its proper divisors (135838133850648).

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

78881882618232 is a wasteful number, since it uses less digits than its factorization.

78881882618232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724813 (or 5724806 counting only the distinct ones).

The product of its digits is 264241152, while the sum is 72.

The spelling of 78881882618232 in words is "seventy-eight trillion, eight hundred eighty-one billion, eight hundred eighty-two million, six hundred eighteen thousand, two hundred thirty-two".