83772872 has 32 divisors (see below), whose sum is σ = 167378400. Its totient is φ = 39170304.

The previous prime is 83772869. The next prime is 83772893. The reversal of 83772872 is 27827738.

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, 20279 + ... + 24057.

It is an arithmetic number, because the mean of its divisors is an integer number (5230575).

Almost surely, 2^83772872 is an apocalyptic number.

It is an amenable number.

83772872 is a deficient number, since it is larger than the sum of its proper divisors (83605528).

83772872 is a wasteful number, since it uses less digits than its factorization.

83772872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3961 counting only the distinct ones).

The product of its digits is 263424, while the sum is 44.

The square root of 83772872 is about 9152.7521544069. The cubic root of 83772872 is about 437.5568309303.

The spelling of 83772872 in words is "eighty-three million, seven hundred seventy-two thousand, eight hundred seventy-two".