78112192 has 28 divisors (see below), whose sum is σ = 163164520. Its totient is φ = 36999936.

The previous prime is 78112189. The next prime is 78112201. The reversal of 78112192 is 29121187.

It is a super-2 number, since 2×78112192² = 12203029078089728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30903 + ... + 33334.

Almost surely, 2^78112192 is an apocalyptic number.

It is an amenable number.

78112192 is an abundant number, since it is smaller than the sum of its proper divisors (85052328).

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

78112192 is a wasteful number, since it uses less digits than its factorization.

78112192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64268 (or 64258 counting only the distinct ones).

The product of its digits is 2016, while the sum is 31.

The square root of 78112192 is about 8838.1102052418. The cubic root of 78112192 is about 427.4706239290.

The spelling of 78112192 in words is "seventy-eight million, one hundred twelve thousand, one hundred ninety-two".