78458160 has 160 divisors (see below), whose sum is σ = 268697088. Its totient is φ = 18780160.

The previous prime is 78458143. The next prime is 78458173. The reversal of 78458160 is 6185487.

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, 298189 + ... + 298451.

Almost surely, 2^78458160 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 78458160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134348544).

78458160 is an abundant number, since it is smaller than the sum of its proper divisors (190238928).

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

78458160 is a wasteful number, since it uses less digits than its factorization.

78458160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 78458160 is about 8857.6610908298. The cubic root of 78458160 is about 428.1008002021.

The spelling of 78458160 in words is "seventy-eight million, four hundred fifty-eight thousand, one hundred sixty".