88885381 has 6 divisors (see below), whose sum is σ = 96248850. Its totient is φ = 82047888.

The previous prime is 88885369. The next prime is 88885421. The reversal of 88885381 is 18358888.

It can be written as a sum of positive squares in 3 ways, for example, as 11621281 + 77264100 = 3409^2 + 8790^2 .

It is not a de Polignac number, because 88885381 - 2¹³ = 88877189 is a prime.

It is a super-2 number, since 2×88885381² = 15801221911030322, 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 (88886381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262806 + ... + 263143.

It is an arithmetic number, because the mean of its divisors is an integer number (16041475).

Almost surely, 2^88885381 is an apocalyptic number.

It is an amenable number.

88885381 is a deficient number, since it is larger than the sum of its proper divisors (7363469).

88885381 is a wasteful number, since it uses less digits than its factorization.

88885381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525975 (or 525962 counting only the distinct ones).

The product of its digits is 491520, while the sum is 49.

The square root of 88885381 is about 9427.9043800836. The cubic root of 88885381 is about 446.2827625699.

The spelling of 88885381 in words is "eighty-eight million, eight hundred eighty-five thousand, three hundred eighty-one".