78002160 has 40 divisors (see below), whose sum is σ = 241807440. Its totient is φ = 20800512.

The previous prime is 78002149. The next prime is 78002161. The reversal of 78002160 is 6120087.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 78002160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78002161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162265 + ... + 162744.

It is an arithmetic number, because the mean of its divisors is an integer number (6045186).

Almost surely, 2^78002160 is an apocalyptic number.

It is an amenable number.

78002160 is an abundant number, since it is smaller than the sum of its proper divisors (163805280).

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

78002160 is a wasteful number, since it uses less digits than its factorization.

78002160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325025 (or 325019 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 78002160 is about 8831.8831514010. The cubic root of 78002160 is about 427.2698121260.

The spelling of 78002160 in words is "seventy-eight million, two thousand, one hundred sixty".