88690131 has 6 divisors (see below), whose sum is σ = 128107980. Its totient is φ = 59126748.

The previous prime is 88690117. The next prime is 88690141. The reversal of 88690131 is 13109688.

It is not a de Polignac number, because 88690131 - 2⁵ = 88690099 is a prime.

It is a super-2 number, since 2×88690131² = 15731878673594322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88690141) 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, 4927221 + ... + 4927238.

It is an arithmetic number, because the mean of its divisors is an integer number (21351330).

Almost surely, 2^88690131 is an apocalyptic number.

88690131 is a deficient number, since it is larger than the sum of its proper divisors (39417849).

88690131 is a wasteful number, since it uses less digits than its factorization.

88690131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854465 (or 9854462 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 88690131 is about 9417.5437880585. The cubic root of 88690131 is about 445.9557474510.

The spelling of 88690131 in words is "eighty-eight million, six hundred ninety thousand, one hundred thirty-one".