28361141975 has 12 divisors (see below), whose sum is σ = 35170014600. Its totient is φ = 22687495200.

The previous prime is 28361141971. The next prime is 28361141983. The reversal of 28361141975 is 57914116382.

It is not a de Polignac number, because 28361141975 - 2² = 28361141971 is a prime.

It is a super-2 number, since 2×28361141975² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28361141971) 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, 586001 + ... + 632549.

It is an arithmetic number, because the mean of its divisors is an integer number (2930834550).

Almost surely, 2^28361141975 is an apocalyptic number.

28361141975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28361141975 is a deficient number, since it is larger than the sum of its proper divisors (6808872625).

28361141975 is a wasteful number, since it uses less digits than its factorization.

28361141975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70930 (or 70925 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The spelling of 28361141975 in words is "twenty-eight billion, three hundred sixty-one million, one hundred forty-one thousand, nine hundred seventy-five".