28734800764 has 6 divisors (see below), whose sum is σ = 50285901344. Its totient is φ = 14367400380.

The previous prime is 28734800761. The next prime is 28734800779. The reversal of 28734800764 is 46700843782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28734800761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3591850092 + ... + 3591850099.

Almost surely, 2^28734800764 is an apocalyptic number.

It is an amenable number.

28734800764 is a deficient number, since it is larger than the sum of its proper divisors (21551100580).

28734800764 is a wasteful number, since it uses less digits than its factorization.

28734800764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183700195 (or 7183700193 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 28734800764 in words is "twenty-eight billion, seven hundred thirty-four million, eight hundred thousand, seven hundred sixty-four".