28830157975 has 12 divisors (see below), whose sum is σ = 35753139976. Its totient is φ = 23061710880.

The previous prime is 28830157969. The next prime is 28830157997. The reversal of 28830157975 is 57975103882.

It is not a de Polignac number, because 28830157975 - 2⁵ = 28830157943 is a prime.

It is a super-2 number, since 2×28830157975² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 206164 + ... + 316486.

Almost surely, 2^28830157975 is an apocalyptic number.

28830157975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28830157975 is a deficient number, since it is larger than the sum of its proper divisors (6922982001).

28830157975 is a wasteful number, since it uses less digits than its factorization.

28830157975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120786 (or 120781 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 55.

The spelling of 28830157975 in words is "twenty-eight billion, eight hundred thirty million, one hundred fifty-seven thousand, nine hundred seventy-five".