28587157443174 has 32 divisors (see below), whose sum is σ = 62372473203456. Its totient is φ = 8662706465120.

The previous prime is 28587157443167. The next prime is 28587157443179. The reversal of 28587157443174 is 47134475178582.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 7030279 + ... + 10324685.

It is an arithmetic number, because the mean of its divisors is an integer number (1949139787608).

Almost surely, 2^{28587157443174} is an apocalyptic number.

28587157443174 is an abundant number, since it is smaller than the sum of its proper divisors (33785315760282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28587157443174 is a wasteful number, since it uses less digits than its factorization.

28587157443174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425900.

The product of its digits is 210739200, while the sum is 66.

The spelling of 28587157443174 in words is "twenty-eight trillion, five hundred eighty-seven billion, one hundred fifty-seven million, four hundred forty-three thousand, one hundred seventy-four".