78822632 has 16 divisors (see below), whose sum is σ = 168905760. Its totient is φ = 33781104.

The previous prime is 78822631. The next prime is 78822647. The reversal of 78822632 is 23622887.

It is not an unprimeable number, because it can be changed into a prime (78822631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703718 + ... + 703829.

It is an arithmetic number, because the mean of its divisors is an integer number (10556610).

Almost surely, 2^78822632 is an apocalyptic number.

It is an amenable number.

78822632 is an abundant number, since it is smaller than the sum of its proper divisors (90083128).

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

78822632 is a wasteful number, since it uses less digits than its factorization.

78822632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407560 (or 1407556 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 78822632 is about 8878.2110810681. The cubic root of 78822632 is about 428.7626806507.

The spelling of 78822632 in words is "seventy-eight million, eight hundred twenty-two thousand, six hundred thirty-two".