78716156 has 12 divisors (see below), whose sum is σ = 139809768. Its totient is φ = 38770512.

The previous prime is 78716147. The next prime is 78716159. The reversal of 78716156 is 65161787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78716159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146591 + ... + 147126.

It is an arithmetic number, because the mean of its divisors is an integer number (11650814).

Almost surely, 2^78716156 is an apocalyptic number.

It is an amenable number.

78716156 is a deficient number, since it is larger than the sum of its proper divisors (61093612).

78716156 is a wasteful number, since it uses less digits than its factorization.

78716156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293788 (or 293786 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The square root of 78716156 is about 8872.2125763532. The cubic root of 78716156 is about 428.5695317800.

The spelling of 78716156 in words is "seventy-eight million, seven hundred sixteen thousand, one hundred fifty-six".