28107537670 has 32 divisors (see below), whose sum is σ = 51217596000. Its totient is φ = 11104617216.

The previous prime is 28107537607. The next prime is 28107537683. The reversal of 28107537670 is 7673570182.

It is a self number, because there is not a number n which added to its sum of digits gives 28107537670.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826156 + ... + 859504.

It is an arithmetic number, because the mean of its divisors is an integer number (1600549875).

Almost surely, 2^28107537670 is an apocalyptic number.

28107537670 is a deficient number, since it is larger than the sum of its proper divisors (23110058330).

28107537670 is a wasteful number, since it uses less digits than its factorization.

28107537670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34392.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 28107537670 in words is "twenty-eight billion, one hundred seven million, five hundred thirty-seven thousand, six hundred seventy".