28458893577 has 16 divisors (see below), whose sum is σ = 40152665088. Its totient is φ = 17892095760.

The previous prime is 28458893563. The next prime is 28458893597. The reversal of 28458893577 is 77539885482.

It is not a de Polignac number, because 28458893577 - 2³⁰ = 27385151753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28458893527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2899663 + ... + 2909460.

It is an arithmetic number, because the mean of its divisors is an integer number (2509541568).

Almost surely, 2^28458893577 is an apocalyptic number.

It is an amenable number.

28458893577 is a deficient number, since it is larger than the sum of its proper divisors (11693771511).

28458893577 is a wasteful number, since it uses less digits than its factorization.

28458893577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809220.

The product of its digits is 135475200, while the sum is 66.

The spelling of 28458893577 in words is "twenty-eight billion, four hundred fifty-eight million, eight hundred ninety-three thousand, five hundred seventy-seven".