83347812 has 24 divisors (see below), whose sum is σ = 216087200. Its totient is φ = 27782568.

The previous prime is 83347801. The next prime is 83347829. The reversal of 83347812 is 21874338.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385762 + ... + 385977.

Almost surely, 2^83347812 is an apocalyptic number.

It is an amenable number.

83347812 is an abundant number, since it is smaller than the sum of its proper divisors (132739388).

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

83347812 is a wasteful number, since it uses less digits than its factorization.

83347812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771752 (or 771744 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 83347812 is about 9129.5022865433. The cubic root of 83347812 is about 436.8155274640.

The spelling of 83347812 in words is "eighty-three million, three hundred forty-seven thousand, eight hundred twelve".