28847162631 has 8 divisors (see below), whose sum is σ = 43957581184. Its totient is φ = 16484092920.

The previous prime is 28847162579. The next prime is 28847162791. The reversal of 28847162631 is 13626174882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28847162631 - 2⁶ = 28847162567 is a prime.

It is a super-2 number, since 2×28847162631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28847162831) 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 7 ways as a sum of consecutive naturals, for example, 686837185 + ... + 686837226.

It is an arithmetic number, because the mean of its divisors is an integer number (5494697648).

Almost surely, 2^28847162631 is an apocalyptic number.

28847162631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28847162631 is a deficient number, since it is larger than the sum of its proper divisors (15110418553).

28847162631 is a wasteful number, since it uses less digits than its factorization.

28847162631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373674421.

The product of its digits is 774144, while the sum is 48.

The spelling of 28847162631 in words is "twenty-eight billion, eight hundred forty-seven million, one hundred sixty-two thousand, six hundred thirty-one".