88471181 has 4 divisors (see below), whose sum is σ = 90862332. Its totient is φ = 86080032.

The previous prime is 88471169. The next prime is 88471193. The reversal of 88471181 is 18117488.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (88471169) and next prime (88471193).

It can be written as a sum of positive squares in 2 ways, for example, as 46104100 + 42367081 = 6790^2 + 6509^2 .

It is a cyclic number.

It is not a de Polignac number, because 88471181 - 2²² = 84276877 is a prime.

It is a super-2 number, since 2×88471181² = 15654299735069522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88471381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195520 + ... + 1195593.

It is an arithmetic number, because the mean of its divisors is an integer number (22715583).

Almost surely, 2^88471181 is an apocalyptic number.

It is an amenable number.

88471181 is a deficient number, since it is larger than the sum of its proper divisors (2391151).

88471181 is a wasteful number, since it uses less digits than its factorization.

88471181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391150.

The product of its digits is 14336, while the sum is 38.

The square root of 88471181 is about 9405.9120238284. The cubic root of 88471181 is about 445.5884669353.

The spelling of 88471181 in words is "eighty-eight million, four hundred seventy-one thousand, one hundred eighty-one".