28774757432862 has 24 divisors (see below), whose sum is σ = 71251780310256. Its totient is φ = 8221359266496.

The previous prime is 28774757432857. The next prime is 28774757432891. The reversal of 28774757432862 is 26823475747782.

28774757432862 is a `hidden beast` number, since 2 + 8 + 7 + 7 + 47 + 574 + 3 + 2 + 8 + 6 + 2 = 666.

It is a super-2 number, since 2×28774757432862² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114185545243 + ... + 114185545494.

It is an arithmetic number, because the mean of its divisors is an integer number (2968824179594).

Almost surely, 2^{28774757432862} is an apocalyptic number.

28774757432862 is an abundant number, since it is smaller than the sum of its proper divisors (42477022877394).

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

28774757432862 is a wasteful number, since it uses less digits than its factorization.

28774757432862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228371090752 (or 228371090749 counting only the distinct ones).

The product of its digits is 1770209280, while the sum is 72.

The spelling of 28774757432862 in words is "twenty-eight trillion, seven hundred seventy-four billion, seven hundred fifty-seven million, four hundred thirty-two thousand, eight hundred sixty-two".