78822732 has 12 divisors (see below), whose sum is σ = 183919736. Its totient is φ = 26274240.

The previous prime is 78822721. The next prime is 78822743. The reversal of 78822732 is 23722887.

It is an interprime number because it is at equal distance from previous prime (78822721) and next prime (78822743).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284269 + ... + 3284292.

Almost surely, 2^78822732 is an apocalyptic number.

It is an amenable number.

78822732 is an abundant number, since it is smaller than the sum of its proper divisors (105097004).

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

78822732 is a wasteful number, since it uses less digits than its factorization.

78822732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568568 (or 6568566 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 78822732 is about 8878.2167128315. The cubic root of 78822732 is about 428.7628619703.

The spelling of 78822732 in words is "seventy-eight million, eight hundred twenty-two thousand, seven hundred thirty-two".