82739956 has 24 divisors (see below), whose sum is σ = 157324104. Its totient is φ = 37847040.

The previous prime is 82739953. The next prime is 82739957. The reversal of 82739956 is 65993728.

It can be written as a sum of positive squares in 4 ways, for example, as 220900 + 82519056 = 470^2 + 9084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82739953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 12916.

It is an arithmetic number, because the mean of its divisors is an integer number (6555171).

Almost surely, 2^82739956 is an apocalyptic number.

It is an amenable number.

82739956 is a deficient number, since it is larger than the sum of its proper divisors (74584148).

82739956 is a wasteful number, since it uses less digits than its factorization.

82739956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14211 (or 14209 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 82739956 is about 9096.1506144083. The cubic root of 82739956 is about 435.7510362163.

The spelling of 82739956 in words is "eighty-two million, seven hundred thirty-nine thousand, nine hundred fifty-six".