83772680 has 16 divisors (see below), whose sum is σ = 188488620. Its totient is φ = 33509056.

The previous prime is 83772673. The next prime is 83772707. The reversal of 83772680 is 8627738.

It can be written as a sum of positive squares in 2 ways, for example, as 82337476 + 1435204 = 9074^2 + 1198^2 .

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, 1047119 + ... + 1047198.

Almost surely, 2^83772680 is an apocalyptic number.

It is an amenable number.

83772680 is an abundant number, since it is smaller than the sum of its proper divisors (104715940).

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

83772680 is a wasteful number, since it uses less digits than its factorization.

83772680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094328 (or 2094324 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 83772680 is about 9152.7416657524. The cubic root of 83772680 is about 437.5564966496.

The spelling of 83772680 in words is "eighty-three million, seven hundred seventy-two thousand, six hundred eighty".