82929872 has 20 divisors (see below), whose sum is σ = 160945056. Its totient is φ = 41395680.

The previous prime is 82929871. The next prime is 82929883. The reversal of 82929872 is 27892928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82929871) 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, 6347 + ... + 14357.

Almost surely, 2^82929872 is an apocalyptic number.

It is an amenable number.

82929872 is a deficient number, since it is larger than the sum of its proper divisors (78015184).

82929872 is a wasteful number, since it uses less digits than its factorization.

82929872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666 (or 8660 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 82929872 is about 9106.5839918160. The cubic root of 82929872 is about 436.0841798014.

The spelling of 82929872 in words is "eighty-two million, nine hundred twenty-nine thousand, eight hundred seventy-two".