78113160 has 80 divisors (see below), whose sum is σ = 262557900. Its totient is φ = 20829312.

The previous prime is 78113141. The next prime is 78113177. The reversal of 78113160 is 6131187.

It can be written as a sum of positive squares in 2 ways, for example, as 78110244 + 2916 = 8838^2 + 54^2 .

It is a super-2 number, since 2×78113160² = 12203331530371200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8815 + ... + 15294.

Almost surely, 2^78113160 is an apocalyptic number.

It is an amenable number.

78113160 is an abundant number, since it is smaller than the sum of its proper divisors (184444740).

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

78113160 is a wasteful number, since it uses less digits than its factorization.

78113160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24132 (or 24119 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 78113160 is about 8838.1649679105. The cubic root of 78113160 is about 427.4723897219.

The spelling of 78113160 in words is "seventy-eight million, one hundred thirteen thousand, one hundred sixty".