78314156 has 24 divisors (see below), whose sum is σ = 140446656. Its totient is φ = 38198160.

The previous prime is 78314147. The next prime is 78314221. The reversal of 78314156 is 65141387.

78314156 is nontrivially palindromic in base 8.

It is a super-2 number, since 2×78314156² = 12266214059984672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27311 + ... + 30041.

It is an arithmetic number, because the mean of its divisors is an integer number (5851944).

Almost surely, 2^78314156 is an apocalyptic number.

It is an amenable number.

78314156 is a deficient number, since it is larger than the sum of its proper divisors (62132500).

78314156 is a wasteful number, since it uses less digits than its factorization.

78314156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2907 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 78314156 is about 8849.5285750146. The cubic root of 78314156 is about 427.8387242837.

The spelling of 78314156 in words is "seventy-eight million, three hundred fourteen thousand, one hundred fifty-six".