88561633 has 4 divisors (see below), whose sum is σ = 89237808. Its totient is φ = 87885460.

The previous prime is 88561601. The next prime is 88561643. The reversal of 88561633 is 33616588.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88561633 - 2⁵ = 88561601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88561643) 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, 337891 + ... + 338152.

It is an arithmetic number, because the mean of its divisors is an integer number (22309452).

Almost surely, 2^88561633 is an apocalyptic number.

It is an amenable number.

88561633 is a deficient number, since it is larger than the sum of its proper divisors (676175).

88561633 is a wasteful number, since it uses less digits than its factorization.

88561633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676174.

The product of its digits is 103680, while the sum is 40.

The square root of 88561633 is about 9410.7190479793. The cubic root of 88561633 is about 445.7402701921.

The spelling of 88561633 in words is "eighty-eight million, five hundred sixty-one thousand, six hundred thirty-three".