88775009 has 4 divisors (see below), whose sum is σ = 92634816. Its totient is φ = 84915204.

The previous prime is 88774967. The next prime is 88775017. The reversal of 88775009 is 90057788.

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 88775009 - 2²⁰ = 87726433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88775039) 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, 1929869 + ... + 1929914.

It is an arithmetic number, because the mean of its divisors is an integer number (23158704).

Almost surely, 2^88775009 is an apocalyptic number.

It is an amenable number.

88775009 is a deficient number, since it is larger than the sum of its proper divisors (3859807).

88775009 is a wasteful number, since it uses less digits than its factorization.

88775009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859806.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 88775009 is about 9422.0490871148. The cubic root of 88775009 is about 446.0979645649.

The spelling of 88775009 in words is "eighty-eight million, seven hundred seventy-five thousand, nine".