78770264 has 16 divisors (see below), whose sum is σ = 152787600. Its totient is φ = 38026912.

The previous prime is 78770227. The next prime is 78770269. The reversal of 78770264 is 46207787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78770269) 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, 169532 + ... + 169995.

It is an arithmetic number, because the mean of its divisors is an integer number (9549225).

Almost surely, 2^78770264 is an apocalyptic number.

It is an amenable number.

78770264 is a deficient number, since it is larger than the sum of its proper divisors (74017336).

78770264 is a wasteful number, since it uses less digits than its factorization.

78770264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339562 (or 339558 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 78770264 is about 8875.2613482646. The cubic root of 78770264 is about 428.6677061582.

The spelling of 78770264 in words is "seventy-eight million, seven hundred seventy thousand, two hundred sixty-four".