78812162 has 32 divisors (see below), whose sum is σ = 139587840. Its totient is φ = 32901120.

The previous prime is 78812161. The next prime is 78812179. The reversal of 78812162 is 26121887.

It is a super-2 number, since 2×78812162² = 12422713758228488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78812161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67778 + ... + 68930.

It is an arithmetic number, because the mean of its divisors is an integer number (4362120).

Almost surely, 2^78812162 is an apocalyptic number.

78812162 is a deficient number, since it is larger than the sum of its proper divisors (60775678).

78812162 is a wasteful number, since it uses less digits than its factorization.

78812162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its digits is 10752, while the sum is 35.

The square root of 78812162 is about 8877.6214156721. The cubic root of 78812162 is about 428.7436956463.

The spelling of 78812162 in words is "seventy-eight million, eight hundred twelve thousand, one hundred sixty-two".