88401181 has 16 divisors (see below), whose sum is σ = 99952128. Its totient is φ = 77457600.

The previous prime is 88401179. The next prime is 88401197. The reversal of 88401181 is 18110488.

It is not a de Polignac number, because 88401181 - 2¹ = 88401179 is a prime.

It is a super-2 number, since 2×88401181² = 15629537604389522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88401101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135051 + ... + 135703.

It is an arithmetic number, because the mean of its divisors is an integer number (6247008).

Almost surely, 2^88401181 is an apocalyptic number.

It is an amenable number.

88401181 is a deficient number, since it is larger than the sum of its proper divisors (11550947).

88401181 is a wasteful number, since it uses less digits than its factorization.

88401181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 88401181 is about 9402.1902235596. The cubic root of 88401181 is about 445.4709167068.

The spelling of 88401181 in words is "eighty-eight million, four hundred one thousand, one hundred eighty-one".