78765232 has 80 divisors (see below), whose sum is σ = 191987712. Its totient is φ = 30470400.

The previous prime is 78765221. The next prime is 78765251. The reversal of 78765232 is 23256787.

It is an alternating number because its digits alternate between odd and even.

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 15 ways as a sum of consecutive naturals, for example, 67857 + ... + 69007.

Almost surely, 2^78765232 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 78765232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95993856).

78765232 is an abundant number, since it is smaller than the sum of its proper divisors (113222480).

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

78765232 is a wasteful number, since it uses less digits than its factorization.

78765232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1220 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 78765232 is about 8874.9778591273. The cubic root of 78765232 is about 428.6585779173.

The spelling of 78765232 in words is "seventy-eight million, seven hundred sixty-five thousand, two hundred thirty-two".