88881541 has 18 divisors (see below), whose sum is σ = 105024210. Its totient is φ = 74999232.

The previous prime is 88881521. The next prime is 88881587. The reversal of 88881541 is 14518888.

It can be written as a sum of positive squares in 3 ways, for example, as 8850625 + 80030916 = 2975^2 + 8946^2 .

It is not a de Polignac number, because 88881541 - 2⁵ = 88881509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88881521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 388015 + ... + 388243.

Almost surely, 2^88881541 is an apocalyptic number.

It is an amenable number.

88881541 is a deficient number, since it is larger than the sum of its proper divisors (16142669).

88881541 is an equidigital number, since it uses as much as digits as its factorization.

88881541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 325 counting only the distinct ones).

The product of its digits is 81920, while the sum is 43.

The square root of 88881541 is about 9427.7007271126. The cubic root of 88881541 is about 446.2763357519.

The spelling of 88881541 in words is "eighty-eight million, eight hundred eighty-one thousand, five hundred forty-one".