328599999957 has 16 divisors (see below), whose sum is σ = 441839743488. Its totient is φ = 217221265920.

The previous prime is 328599999911. The next prime is 328599999977. The reversal of 328599999957 is 759999995823.

It is not a de Polignac number, because 328599999957 - 2¹¹ = 328599997909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328599999957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328599999977) 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, 806853 + ... + 1143770.

It is an arithmetic number, because the mean of its divisors is an integer number (27614983968).

Almost surely, 2^328599999957 is an apocalyptic number.

It is an amenable number.

328599999957 is a deficient number, since it is larger than the sum of its proper divisors (113239743531).

328599999957 is a wasteful number, since it uses less digits than its factorization.

328599999957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951100.

The product of its digits is 4464104400, while the sum is 84.

The spelling of 328599999957 in words is "three hundred twenty-eight billion, five hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-seven".