82261602 has 32 divisors (see below), whose sum is σ = 192427200. Its totient is φ = 25977024.

The previous prime is 82261573. The next prime is 82261637. The reversal of 82261602 is 20616228.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 39063 + ... + 41114.

It is an arithmetic number, because the mean of its divisors is an integer number (6013350).

Almost surely, 2^82261602 is an apocalyptic number.

82261602 is an abundant number, since it is smaller than the sum of its proper divisors (110165598).

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

82261602 is a wasteful number, since it uses less digits than its factorization.

82261602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80207 (or 80201 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 82261602 is about 9069.8181900190. The cubic root of 82261602 is about 434.9096601934.

The spelling of 82261602 in words is "eighty-two million, two hundred sixty-one thousand, six hundred two".