28058017572 has 96 divisors (see below), whose sum is σ = 80249487360. Its totient is φ = 8422652160.

The previous prime is 28058017553. The next prime is 28058017577. The reversal of 28058017572 is 27571085082.

28058017572 is a `hidden beast` number, since 2 + 8 + 0 + 580 + 17 + 57 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (28058017577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186148 + ... + 301275.

It is an arithmetic number, because the mean of its divisors is an integer number (835932160).

Almost surely, 2^28058017572 is an apocalyptic number.

It is an amenable number.

28058017572 is an abundant number, since it is smaller than the sum of its proper divisors (52191469788).

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

28058017572 is a wasteful number, since it uses less digits than its factorization.

28058017572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487490 (or 487482 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The spelling of 28058017572 in words is "twenty-eight billion, fifty-eight million, seventeen thousand, five hundred seventy-two".