82940439602 has 4 divisors (see below), whose sum is σ = 124410659406. Its totient is φ = 41470219800.

The previous prime is 82940439601. The next prime is 82940439607. The reversal of 82940439602 is 20693404928.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48329185921 + 34611253681 = 219839^2 + 186041^2 .

It is not an unprimeable number, because it can be changed into a prime (82940439601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20735109899 + ... + 20735109902.

Almost surely, 2^82940439602 is an apocalyptic number.

82940439602 is a deficient number, since it is larger than the sum of its proper divisors (41470219804).

82940439602 is a wasteful number, since it uses less digits than its factorization.

82940439602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41470219803.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 82940439602 in words is "eighty-two billion, nine hundred forty million, four hundred thirty-nine thousand, six hundred two".