82639062 has 32 divisors (see below), whose sum is σ = 200338560. Its totient is φ = 25041960.

The previous prime is 82639013. The next prime is 82639097. The reversal of 82639062 is 26093628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68968 + ... + 70155.

It is an arithmetic number, because the mean of its divisors is an integer number (6260580).

Almost surely, 2^82639062 is an apocalyptic number.

82639062 is an abundant number, since it is smaller than the sum of its proper divisors (117699498).

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

82639062 is a wasteful number, since it uses less digits than its factorization.

82639062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139145 (or 139139 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 82639062 is about 9090.6029502998. The cubic root of 82639062 is about 435.5738443265.

The spelling of 82639062 in words is "eighty-two million, six hundred thirty-nine thousand, sixty-two".