82899044139 has 16 divisors (see below), whose sum is σ = 111498105600. Its totient is φ = 54784226976.

The previous prime is 82899044117. The next prime is 82899044147. The reversal of 82899044139 is 93144099828.

It is not a de Polignac number, because 82899044139 - 2¹¹ = 82899042091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82899044339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120082 + ... + 424520.

It is an arithmetic number, because the mean of its divisors is an integer number (6968631600).

Almost surely, 2^82899044139 is an apocalyptic number.

82899044139 is a deficient number, since it is larger than the sum of its proper divisors (28599061461).

82899044139 is a wasteful number, since it uses less digits than its factorization.

82899044139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305234.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 82899044139 in words is "eighty-two billion, eight hundred ninety-nine million, forty-four thousand, one hundred thirty-nine".