88561131 has 8 divisors (see below), whose sum is σ = 118641984. Its totient is φ = 58760520.

The previous prime is 88561129. The next prime is 88561163. The reversal of 88561131 is 13116588.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88561131 - 2¹ = 88561129 is a prime.

It is a super-2 number, since 2×88561131² = 15686147847998322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88561092 and 88561101.

It is not an unprimeable number, because it can be changed into a prime (88561181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69321 + ... + 70586.

It is an arithmetic number, because the mean of its divisors is an integer number (14830248).

Almost surely, 2^88561131 is an apocalyptic number.

88561131 is a deficient number, since it is larger than the sum of its proper divisors (30080853).

88561131 is a wasteful number, since it uses less digits than its factorization.

88561131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140121.

The product of its digits is 5760, while the sum is 33.

The square root of 88561131 is about 9410.6923762282. The cubic root of 88561131 is about 445.7394279838.

The spelling of 88561131 in words is "eighty-eight million, five hundred sixty-one thousand, one hundred thirty-one".