78860032 has 72 divisors (see below), whose sum is σ = 171368960. Its totient is φ = 36080640.

The previous prime is 78860017. The next prime is 78860069. The reversal of 78860032 is 23006887.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78860032.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 150523 + ... + 151045.

Almost surely, 2^78860032 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 78860032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85684480).

78860032 is an abundant number, since it is smaller than the sum of its proper divisors (92508928).

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

78860032 is a wasteful number, since it uses less digits than its factorization.

78860032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 78860032 is about 8880.3171114550. The cubic root of 78860032 is about 428.8304834644.

The spelling of 78860032 in words is "seventy-eight million, eight hundred sixty thousand, thirty-two".