78254116 has 12 divisors (see below), whose sum is σ = 137274480. Its totient is φ = 39032840.

The previous prime is 78254101. The next prime is 78254123. The reversal of 78254116 is 61145287.

It is a super-2 number, since 2×78254116² = 12247413341882912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21670 + ... + 25021.

It is an arithmetic number, because the mean of its divisors is an integer number (11439540).

Almost surely, 2^78254116 is an apocalyptic number.

It is an amenable number.

78254116 is a deficient number, since it is larger than the sum of its proper divisors (59020364).

78254116 is a wasteful number, since it uses less digits than its factorization.

78254116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47114 (or 47112 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 78254116 is about 8846.1356534930. The cubic root of 78254116 is about 427.7293613213.

The spelling of 78254116 in words is "seventy-eight million, two hundred fifty-four thousand, one hundred sixteen".