88605561 has 8 divisors (see below), whose sum is σ = 128880864. Its totient is φ = 53700320.

The previous prime is 88605553. The next prime is 88605563. The reversal of 88605561 is 16550688.

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 88605561 - 2³ = 88605553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88605563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342476 + ... + 1342541.

It is an arithmetic number, because the mean of its divisors is an integer number (16110108).

Almost surely, 2^88605561 is an apocalyptic number.

It is an amenable number.

88605561 is a deficient number, since it is larger than the sum of its proper divisors (40275303).

88605561 is a wasteful number, since it uses less digits than its factorization.

88605561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685031.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 88605561 is about 9413.0526929365. The cubic root of 88605561 is about 445.8139561342.

The spelling of 88605561 in words is "eighty-eight million, six hundred five thousand, five hundred sixty-one".