28941804764 has 12 divisors (see below), whose sum is σ = 51603784344. Its totient is φ = 14197866384.

The previous prime is 28941804733. The next prime is 28941804791. The reversal of 28941804764 is 46740814982.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68258762 + ... + 68259185.

It is an arithmetic number, because the mean of its divisors is an integer number (4300315362).

Almost surely, 2^28941804764 is an apocalyptic number.

It is an amenable number.

28941804764 is a deficient number, since it is larger than the sum of its proper divisors (22661979580).

28941804764 is a wasteful number, since it uses less digits than its factorization.

28941804764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136518004 (or 136518002 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 28941804764 in words is "twenty-eight billion, nine hundred forty-one million, eight hundred four thousand, seven hundred sixty-four".