28587157443173 has 16 divisors (see below), whose sum is σ = 32928748929024. Its totient is φ = 24309999307440.

The previous prime is 28587157443167. The next prime is 28587157443179. The reversal of 28587157443173 is 37134475178582.

It is an interprime number because it is at equal distance from previous prime (28587157443167) and next prime (28587157443179).

It is not a de Polignac number, because 28587157443173 - 2⁸ = 28587157442917 is a prime.

It is a super-2 number, since 2×28587157443173² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28587157443179) 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, 79377836 + ... + 79737162.

It is an arithmetic number, because the mean of its divisors is an integer number (2058046808064).

Almost surely, 2^{28587157443173} is an apocalyptic number.

It is an amenable number.

28587157443173 is a deficient number, since it is larger than the sum of its proper divisors (4341591485851).

28587157443173 is a wasteful number, since it uses less digits than its factorization.

28587157443173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448952.

The product of its digits is 158054400, while the sum is 65.

The spelling of 28587157443173 in words is "twenty-eight trillion, five hundred eighty-seven billion, one hundred fifty-seven million, four hundred forty-three thousand, one hundred seventy-three".