28258476180431 has 12 divisors (see below), whose sum is σ = 32872326752160. Its totient is φ = 24221387574720.

The previous prime is 28258476180419. The next prime is 28258476180449. The reversal of 28258476180431 is 13408167485282.

It is not a de Polignac number, because 28258476180431 - 2⁶ = 28258476180367 is a prime.

It is a super-2 number, since 2×28258476180431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28258476180331) 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, 5693210 + ... + 9430248.

It is an arithmetic number, because the mean of its divisors is an integer number (2739360562680).

Almost surely, 2^{28258476180431} is an apocalyptic number.

28258476180431 is a deficient number, since it is larger than the sum of its proper divisors (4613850571729).

28258476180431 is a wasteful number, since it uses less digits than its factorization.

28258476180431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891374 (or 3891367 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 28258476180431 in words is "twenty-eight trillion, two hundred fifty-eight billion, four hundred seventy-six million, one hundred eighty thousand, four hundred thirty-one".