82102898405 has 64 divisors (see below), whose sum is σ = 114484838400. Its totient is φ = 55939403520.

The previous prime is 82102898399. The next prime is 82102898417. The reversal of 82102898405 is 50489820128.

It is not a de Polignac number, because 82102898405 - 2⁸ = 82102898149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82102898405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12688511 + ... + 12694979.

It is an arithmetic number, because the mean of its divisors is an integer number (1788825600).

Almost surely, 2^82102898405 is an apocalyptic number.

It is an amenable number.

82102898405 is a deficient number, since it is larger than the sum of its proper divisors (32381939995).

82102898405 is a wasteful number, since it uses less digits than its factorization.

82102898405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6714.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 82102898405 in words is "eighty-two billion, one hundred two million, eight hundred ninety-eight thousand, four hundred five".