88663601 has 4 divisors (see below), whose sum is σ = 95483892. Its totient is φ = 81843312.

The previous prime is 88663591. The next prime is 88663609. The reversal of 88663601 is 10636688.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17007376 + 71656225 = 4124^2 + 8465^2 .

It is a cyclic number.

It is not a de Polignac number, because 88663601 - 2²⁶ = 21554737 is a prime.

It is a super-2 number, since 2×88663601² = 15722468284574402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88663609) 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, 3410126 + ... + 3410151.

It is an arithmetic number, because the mean of its divisors is an integer number (23870973).

Almost surely, 2^88663601 is an apocalyptic number.

It is an amenable number.

88663601 is a deficient number, since it is larger than the sum of its proper divisors (6820291).

88663601 is a wasteful number, since it uses less digits than its factorization.

88663601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6820290.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 88663601 is about 9416.1351413412. The cubic root of 88663601 is about 445.9112765659.

The spelling of 88663601 in words is "eighty-eight million, six hundred sixty-three thousand, six hundred one".