88637081 has 8 divisors (see below), whose sum is σ = 95634504. Its totient is φ = 81665280.

The previous prime is 88637063. The next prime is 88637083. The reversal of 88637081 is 18073688.

It can be written as a sum of positive squares in 4 ways, for example, as 2611456 + 86025625 = 1616^2 + 9275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88637081 - 2²⁶ = 21528217 is a prime.

It is a super-2 number, since 2×88637081² = 15713064256401122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88637083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (11954313).

Almost surely, 2^88637081 is an apocalyptic number.

It is an amenable number.

88637081 is a deficient number, since it is larger than the sum of its proper divisors (6997423).

88637081 is a wasteful number, since it uses less digits than its factorization.

88637081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12811.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 88637081 is about 9414.7268149426. The cubic root of 88637081 is about 445.8668135764.

The spelling of 88637081 in words is "eighty-eight million, six hundred thirty-seven thousand, eighty-one".