28558365156 has 48 divisors (see below), whose sum is σ = 74075198400. Its totient is φ = 9514956096.

The previous prime is 28558365151. The next prime is 28558365167. The reversal of 28558365156 is 65156385582.

28558365156 is a `hidden beast` number, since 2 + 8 + 5 + 583 + 6 + 5 + 1 + 56 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (28558365151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171115 + ... + 293933.

It is an arithmetic number, because the mean of its divisors is an integer number (1543233300).

Almost surely, 2^28558365156 is an apocalyptic number.

It is an amenable number.

28558365156 is an abundant number, since it is smaller than the sum of its proper divisors (45516833244).

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

28558365156 is a wasteful number, since it uses less digits than its factorization.

28558365156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124985 (or 124977 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 54.

The spelling of 28558365156 in words is "twenty-eight billion, five hundred fifty-eight million, three hundred sixty-five thousand, one hundred fifty-six".