28422864885 has 16 divisors (see below), whose sum is σ = 45653541696. Its totient is φ = 15099875328.

The previous prime is 28422864871. The next prime is 28422864917. The reversal of 28422864885 is 58846822482.

It is not a de Polignac number, because 28422864885 - 2⁵ = 28422864853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3682639 + ... + 3690348.

It is an arithmetic number, because the mean of its divisors is an integer number (2853346356).

Almost surely, 2^28422864885 is an apocalyptic number.

It is an amenable number.

28422864885 is a deficient number, since it is larger than the sum of its proper divisors (17230676811).

28422864885 is a wasteful number, since it uses less digits than its factorization.

28422864885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373252.

The product of its digits is 15728640, while the sum is 57.

The spelling of 28422864885 in words is "twenty-eight billion, four hundred twenty-two million, eight hundred sixty-four thousand, eight hundred eighty-five".