28079557232 has 10 divisors (see below), whose sum is σ = 54404142168. Its totient is φ = 14039778608.

The previous prime is 28079557213. The next prime is 28079557249. The reversal of 28079557232 is 23275597082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 877486148 + ... + 877486179.

Almost surely, 2^28079557232 is an apocalyptic number.

It is an amenable number.

28079557232 is a deficient number, since it is larger than the sum of its proper divisors (26324584936).

28079557232 is a wasteful number, since it uses less digits than its factorization.

28079557232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754972335 (or 1754972329 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 28079557232 in words is "twenty-eight billion, seventy-nine million, five hundred fifty-seven thousand, two hundred thirty-two".