78295256 has 32 divisors (see below), whose sum is σ = 162377040. Its totient is φ = 35157888.

The previous prime is 78295247. The next prime is 78295309. The reversal of 78295256 is 65259287.

It is a super-2 number, since 2×78295256² = 12260294224211072, which contains 22 as substring.

It is a congruent number.

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, 6326 + ... + 14021.

Almost surely, 2^78295256 is an apocalyptic number.

It is an amenable number.

78295256 is an abundant number, since it is smaller than the sum of its proper divisors (84081784).

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

78295256 is a wasteful number, since it uses less digits than its factorization.

78295256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20403 (or 20399 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 78295256 is about 8848.4606570861. The cubic root of 78295256 is about 427.8043039316.

The spelling of 78295256 in words is "seventy-eight million, two hundred ninety-five thousand, two hundred fifty-six".