88113631 has 4 divisors (see below), whose sum is σ = 88159752. Its totient is φ = 88067512.

The previous prime is 88113611. The next prime is 88113647. The reversal of 88113631 is 13631188.

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

It is a cyclic number.

It is not a de Polignac number, because 88113631 - 2⁷ = 88113503 is a prime.

It is a super-2 number, since 2×88113631² = 15528023936008322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88113593 and 88113602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88113611) 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, 20065 + ... + 24058.

It is an arithmetic number, because the mean of its divisors is an integer number (22039938).

Almost surely, 2^88113631 is an apocalyptic number.

88113631 is a deficient number, since it is larger than the sum of its proper divisors (46121).

88113631 is a wasteful number, since it uses less digits than its factorization.

88113631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46120.

The product of its digits is 3456, while the sum is 31.

The square root of 88113631 is about 9386.8861184101. The cubic root of 88113631 is about 444.9873850735.

The spelling of 88113631 in words is "eighty-eight million, one hundred thirteen thousand, six hundred thirty-one".