28930129075 has 12 divisors (see below), whose sum is σ = 36131446120. Its totient is φ = 22977596160.

The previous prime is 28930129069. The next prime is 28930129079. The reversal of 28930129075 is 57092103982.

It is not a de Polignac number, because 28930129075 - 2⁵ = 28930129043 is a prime.

It is a super-3 number, since 3×28930129075³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28930129079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4159134 + ... + 4166083.

Almost surely, 2^28930129075 is an apocalyptic number.

28930129075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28930129075 is a deficient number, since it is larger than the sum of its proper divisors (7201317045).

28930129075 is a wasteful number, since it uses less digits than its factorization.

28930129075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325366 (or 8325361 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 28930129075 in words is "twenty-eight billion, nine hundred thirty million, one hundred twenty-nine thousand, seventy-five".