88139727144 has 192 divisors, whose sum is σ = 298822867200. Its totient is φ = 22884083712.

The previous prime is 88139727139. The next prime is 88139727149. The reversal of 88139727144 is 44172793188.

It is an interprime number because it is at equal distance from previous prime (88139727139) and next prime (88139727149).

It is a super-2 number, since 2×88139727144² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (88139727149) 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, 71109 + ... + 425835.

It is an arithmetic number, because the mean of its divisors is an integer number (1556369100).

Almost surely, 2^88139727144 is an apocalyptic number.

88139727144 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88139727144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149411433600).

88139727144 is an abundant number, since it is smaller than the sum of its proper divisors (210683140056).

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

88139727144 is a wasteful number, since it uses less digits than its factorization.

88139727144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354792 (or 354785 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 88139727144 in words is "eighty-eight billion, one hundred thirty-nine million, seven hundred twenty-seven thousand, one hundred forty-four".