28927136532618 has 96 divisors (see below), whose sum is σ = 67244908872960. Its totient is φ = 9308932516800.

The previous prime is 28927136532611. The next prime is 28927136532677. The reversal of 28927136532618 is 81623563172982.

28927136532618 is a `hidden beast` number, since 2 + 8 + 9 + 2 + 7 + 1 + 3 + 6 + 5 + 3 + 2 + 618 = 666.

It is a super-4 number, since 4×28927136532618⁴ (a number of 55 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (28927136532611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145082671 + ... + 145281917.

It is an arithmetic number, because the mean of its divisors is an integer number (700467800760).

Almost surely, 2^{28927136532618} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28927136532618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33622454436480).

28927136532618 is an abundant number, since it is smaller than the sum of its proper divisors (38317772340342).

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

28927136532618 is a wasteful number, since it uses less digits than its factorization.

28927136532618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209594 (or 209582 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 28927136532618 in words is "twenty-eight trillion, nine hundred twenty-seven billion, one hundred thirty-six million, five hundred thirty-two thousand, six hundred eighteen".