28101000357 has 64 divisors (see below), whose sum is σ = 44892126720. Its totient is φ = 17308339200.

The previous prime is 28101000341. The next prime is 28101000371. The reversal of 28101000357 is 75300010182.

It is not a de Polignac number, because 28101000357 - 2⁴ = 28101000341 is a prime.

It is a super-2 number, since 2×28101000357² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 28101000357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28101000337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27522507 + ... + 27523527.

It is an arithmetic number, because the mean of its divisors is an integer number (701439480).

Almost surely, 2^28101000357 is an apocalyptic number.

28101000357 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

28101000357 is a deficient number, since it is larger than the sum of its proper divisors (16791126363).

28101000357 is a wasteful number, since it uses less digits than its factorization.

28101000357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The spelling of 28101000357 in words is "twenty-eight billion, one hundred one million, three hundred fifty-seven", and thus it is an aban number.