78969882 has 16 divisors (see below), whose sum is σ = 158064192. Its totient is φ = 26302560.

The previous prime is 78969857. The next prime is 78969883. The reversal of 78969882 is 28896987.

It is not an unprimeable number, because it can be changed into a prime (78969883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4443 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (9879012).

Almost surely, 2^78969882 is an apocalyptic number.

It is a pronic number, being equal to 8886×8887.

78969882 is an abundant number, since it is smaller than the sum of its proper divisors (79094310).

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

78969882 is a wasteful number, since it uses less digits than its factorization.

78969882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10373.

The product of its digits is 3483648, while the sum is 57.

The square root of 78969882 is about 8886.4999859337. The cubic root of 78969882 is about 429.0295076992.

The spelling of 78969882 in words is "seventy-eight million, nine hundred sixty-nine thousand, eight hundred eighty-two".