28970746875 has 192 divisors, whose sum is σ = 61876039680. Its totient is φ = 13122000000.

The previous prime is 28970746841. The next prime is 28970746927. The reversal of 28970746875 is 57864707982.

It is not a de Polignac number, because 28970746875 - 2⁶ = 28970746811 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 106902990 + ... + 106903260.

It is an arithmetic number, because the mean of its divisors is an integer number (322271040).

Almost surely, 2^28970746875 is an apocalyptic number.

28970746875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28970746875 is an abundant number, since it is smaller than the sum of its proper divisors (32905292805).

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

28970746875 is an equidigital number, since it uses as much as digits as its factorization.

28970746875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 63.

The spelling of 28970746875 in words is "twenty-eight billion, nine hundred seventy million, seven hundred forty-six thousand, eight hundred seventy-five".