28358600580 has 72 divisors (see below), whose sum is σ = 89207069952. Its totient is φ = 7562292192.

The previous prime is 28358600563. The next prime is 28358600593. The reversal of 28358600580 is 8500685382.

It is a happy number.

28358600580 is a `hidden beast` number, since 2 + 8 + 3 + 5 + 8 + 60 + 0 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2912692 + ... + 2922411.

Almost surely, 2^28358600580 is an apocalyptic number.

28358600580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28358600580 is an abundant number, since it is smaller than the sum of its proper divisors (60848469372).

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

28358600580 is a wasteful number, since it uses less digits than its factorization.

28358600580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835127 (or 5835113 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 28358600580 in words is "twenty-eight billion, three hundred fifty-eight million, six hundred thousand, five hundred eighty".