28292488164 has 48 divisors (see below), whose sum is σ = 73394294400. Its totient is φ = 9425249568.

The previous prime is 28292488157. The next prime is 28292488171. The reversal of 28292488164 is 46188429282.

It is an interprime number because it is at equal distance from previous prime (28292488157) and next prime (28292488171).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 28292488164.

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, 107929 + ... + 261215.

It is an arithmetic number, because the mean of its divisors is an integer number (1529047800).

Almost surely, 2^28292488164 is an apocalyptic number.

It is an amenable number.

28292488164 is an abundant number, since it is smaller than the sum of its proper divisors (45101806236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28292488164 is a wasteful number, since it uses less digits than its factorization.

28292488164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155009 (or 155001 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The spelling of 28292488164 in words is "twenty-eight billion, two hundred ninety-two million, four hundred eighty-eight thousand, one hundred sixty-four".