28486125628 has 6 divisors (see below), whose sum is σ = 49850719856. Its totient is φ = 14243062812.

The previous prime is 28486125617. The next prime is 28486125637. The reversal of 28486125628 is 82652168482.

It is a super-2 number, since 2×28486125628² (a number of 22 digits) contains 22 as substring.

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, 3560765700 + ... + 3560765707.

Almost surely, 2^28486125628 is an apocalyptic number.

It is an amenable number.

28486125628 is a deficient number, since it is larger than the sum of its proper divisors (21364594228).

28486125628 is a wasteful number, since it uses less digits than its factorization.

28486125628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121531411 (or 7121531409 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The spelling of 28486125628 in words is "twenty-eight billion, four hundred eighty-six million, one hundred twenty-five thousand, six hundred twenty-eight".