28930061671875 has 700 divisors, whose sum is σ = 67706743498840. Its totient is φ = 12207850200000.

The previous prime is 28930061671837. The next prime is 28930061672009. The reversal of 28930061671875 is 57817616003982.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

28930061671875 is a `hidden beast` number, since 2 + 8 + 9 + 3 + 0 + 0 + 616 + 7 + 1 + 8 + 7 + 5 = 666.

It is not a de Polignac number, because 28930061671875 - 2⁷ = 28930061671747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 28930061671875 = 7475³ + 30550³ = 20475³ + 27300³.

It is an unprimeable number.

It is a polite number, since it can be written in 699 ways as a sum of consecutive naturals, for example, 2225389359369 + ... + 2225389359381.

Almost surely, 2^{28930061671875} is an apocalyptic number.

28930061671875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28930061671875 is an abundant number, since it is smaller than the sum of its proper divisors (38776681826965).

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

28930061671875 is an frugal number, since it uses more digits than its factorization.

28930061671875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 28930061671875 in words is "twenty-eight trillion, nine hundred thirty billion, sixty-one million, six hundred seventy-one thousand, eight hundred seventy-five".