28207447662960 has 120 divisors (see below), whose sum is σ = 94732680251664. Its totient is φ = 7521774151680.

The previous prime is 28207447662941. The next prime is 28207447663049. The reversal of 28207447662960 is 6926674470282.

28207447662960 is a `hidden beast` number, since 2 + 8 + 2 + 0 + 74 + 476 + 6 + 2 + 96 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

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, 25905679 + ... + 26972561.

Almost surely, 2^{28207447662960} is an apocalyptic number.

28207447662960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28207447662960 is an abundant number, since it is smaller than the sum of its proper divisors (66525232588704).

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

28207447662960 is a wasteful number, since it uses less digits than its factorization.

28207447662960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103623 (or 1103614 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 63.

The spelling of 28207447662960 in words is "twenty-eight trillion, two hundred seven billion, four hundred forty-seven million, six hundred sixty-two thousand, nine hundred sixty".