28647604048 has 40 divisors (see below), whose sum is σ = 64198266048. Its totient is φ = 12129618432.

The previous prime is 28647604031. The next prime is 28647604057. The reversal of 28647604048 is 84040674682.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28647603992 and 28647604010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531561 + ... + 1550152.

Almost surely, 2^28647604048 is an apocalyptic number.

28647604048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28647604048 is an abundant number, since it is smaller than the sum of its proper divisors (35550662000).

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

28647604048 is a wasteful number, since it uses less digits than its factorization.

28647604048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081811 (or 3081805 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 28647604048 in words is "twenty-eight billion, six hundred forty-seven million, six hundred four thousand, forty-eight".