28570739299839 has 48 divisors (see below), whose sum is σ = 46656608562720. Its totient is φ = 16688493722880.

The previous prime is 28570739299771. The next prime is 28570739299859. The reversal of 28570739299839 is 93899293707582.

28570739299839 is a `hidden beast` number, since 2 + 8 + 570 + 7 + 3 + 9 + 2 + 9 + 9 + 8 + 39 = 666.

It is not a de Polignac number, because 28570739299839 - 2²⁴ = 28570722522623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28570739299859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7333972 + ... + 10532265.

It is an arithmetic number, because the mean of its divisors is an integer number (972012678390).

Almost surely, 2^{28570739299839} is an apocalyptic number.

28570739299839 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28570739299839 is a deficient number, since it is larger than the sum of its proper divisors (18085869262881).

28570739299839 is a wasteful number, since it uses less digits than its factorization.

28570739299839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17866840 (or 17866837 counting only the distinct ones).

The product of its (nonzero) digits is 3703553280, while the sum is 81.

The spelling of 28570739299839 in words is "twenty-eight trillion, five hundred seventy billion, seven hundred thirty-nine million, two hundred ninety-nine thousand, eight hundred thirty-nine".