78160250 has 64 divisors (see below), whose sum is σ = 170277120. Its totient is φ = 26308800.

The previous prime is 78160231. The next prime is 78160261. The reversal of 78160250 is 5206187.

It is a super-2 number, since 2×78160250² = 12218049360125000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102872 + ... + 103628.

It is an arithmetic number, because the mean of its divisors is an integer number (2660580).

Almost surely, 2^78160250 is an apocalyptic number.

78160250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78160250 is an abundant number, since it is smaller than the sum of its proper divisors (92116870).

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

78160250 is a wasteful number, since it uses less digits than its factorization.

78160250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 78160250 is about 8840.8285810777. The cubic root of 78160250 is about 427.5582720972.

The spelling of 78160250 in words is "seventy-eight million, one hundred sixty thousand, two hundred fifty".