8537427138 has 32 divisors (see below), whose sum is σ = 17586176256. Its totient is φ = 2761026048.

The previous prime is 8537427137. The next prime is 8537427139. The reversal of 8537427138 is 8317247358.

It is an interprime number because it is at equal distance from previous prime (8537427137) and next prime (8537427139).

It is not an unprimeable number, because it can be changed into a prime (8537427137) 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, 23895 + ... + 132837.

It is an arithmetic number, because the mean of its divisors is an integer number (549568008).

Almost surely, 2^8537427138 is an apocalyptic number.

8537427138 is an abundant number, since it is smaller than the sum of its proper divisors (9048749118).

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

8537427138 is a wasteful number, since it uses less digits than its factorization.

8537427138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109338.

The product of its digits is 1128960, while the sum is 48.

The square root of 8537427138 is about 92398.1987811451. The cubic root of 8537427138 is about 2043.8185509238.

The spelling of 8537427138 in words is "eight billion, five hundred thirty-seven million, four hundred twenty-seven thousand, one hundred thirty-eight".