78275160 has 96 divisors (see below), whose sum is σ = 263849040. Its totient is φ = 20870784.

The previous prime is 78275149. The next prime is 78275161. The reversal of 78275160 is 6157287.

It is a super-2 number, since 2×78275160² = 12254001346051200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78275161) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5694 + ... + 13746.

Almost surely, 2^78275160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78275160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131924520).

78275160 is an abundant number, since it is smaller than the sum of its proper divisors (185573880).

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

78275160 is a wasteful number, since it uses less digits than its factorization.

78275160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079 (or 8063 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 78275160 is about 8847.3250194621. The cubic root of 78275160 is about 427.7676993684.

The spelling of 78275160 in words is "seventy-eight million, two hundred seventy-five thousand, one hundred sixty".