78238360 has 16 divisors (see below), whose sum is σ = 176036400. Its totient is φ = 31295328.

The previous prime is 78238351. The next prime is 78238393. The reversal of 78238360 is 6383287.

It is a super-2 number, since 2×78238360² = 12242481950979200, 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 3 ways as a sum of consecutive naturals, for example, 977940 + ... + 978019.

It is an arithmetic number, because the mean of its divisors is an integer number (11002275).

Almost surely, 2^78238360 is an apocalyptic number.

It is an amenable number.

78238360 is an abundant number, since it is smaller than the sum of its proper divisors (97798040).

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

78238360 is a wasteful number, since it uses less digits than its factorization.

78238360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955970 (or 1955966 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 78238360 is about 8845.2450503081. The cubic root of 78238360 is about 427.7006524750.

The spelling of 78238360 in words is "seventy-eight million, two hundred thirty-eight thousand, three hundred sixty".