28597469861184 has 56 divisors (see below), whose sum is σ = 86473301727168. Its totient is φ = 8170705674240.

The previous prime is 28597469861153. The next prime is 28597469861189. The reversal of 28597469861184 is 48116896479582.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×28597469861184² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28597469861189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10638938337 + ... + 10638941024.

Almost surely, 2^{28597469861184} is an apocalyptic number.

28597469861184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28597469861184 is an abundant number, since it is smaller than the sum of its proper divisors (57875831865984).

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

28597469861184 is a wasteful number, since it uses less digits than its factorization.

28597469861184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21277879383 (or 21277879373 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 78.

The spelling of 28597469861184 in words is "twenty-eight trillion, five hundred ninety-seven billion, four hundred sixty-nine million, eight hundred sixty-one thousand, one hundred eighty-four".