82802538 has 48 divisors (see below), whose sum is σ = 220811136. Its totient is φ = 21837600.

The previous prime is 82802537. The next prime is 82802549. The reversal of 82802538 is 83520828.

It is not an unprimeable number, because it can be changed into a prime (82802537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23638 + ... + 26913.

It is an arithmetic number, because the mean of its divisors is an integer number (4600232).

Almost surely, 2^82802538 is an apocalyptic number.

82802538 is an abundant number, since it is smaller than the sum of its proper divisors (138008598).

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

82802538 is a wasteful number, since it uses less digits than its factorization.

82802538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50579 (or 50576 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 82802538 is about 9099.5899907633. The cubic root of 82802538 is about 435.8608714966.

The spelling of 82802538 in words is "eighty-two million, eight hundred two thousand, five hundred thirty-eight".