78256360 has 64 divisors (see below), whose sum is σ = 216720000. Its totient is φ = 24765696.

The previous prime is 78256357. The next prime is 78256379. The reversal of 78256360 is 6365287.

It is a super-2 number, since 2×78256360² = 12248115760899200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7110 + ... + 14389.

It is an arithmetic number, because the mean of its divisors is an integer number (3386250).

Almost surely, 2^78256360 is an apocalyptic number.

78256360 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78256360 is an abundant number, since it is smaller than the sum of its proper divisors (138463640).

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

78256360 is a wasteful number, since it uses less digits than its factorization.

78256360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21530 (or 21526 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 78256360 is about 8846.2624876272. The cubic root of 78256360 is about 427.7334497773.

The spelling of 78256360 in words is "seventy-eight million, two hundred fifty-six thousand, three hundred sixty".