88809563 has 4 divisors (see below), whose sum is σ = 88956480. Its totient is φ = 88662648.

The previous prime is 88809559. The next prime is 88809607. The reversal of 88809563 is 36590888.

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

It is a cyclic number.

It is not a de Polignac number, because 88809563 - 2² = 88809559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88809163) 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, 72548 + ... + 73761.

It is an arithmetic number, because the mean of its divisors is an integer number (22239120).

Almost surely, 2^88809563 is an apocalyptic number.

88809563 is a deficient number, since it is larger than the sum of its proper divisors (146917).

88809563 is a wasteful number, since it uses less digits than its factorization.

88809563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146916.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 88809563 is about 9423.8825862805. The cubic root of 88809563 is about 446.1558354671.

The spelling of 88809563 in words is "eighty-eight million, eight hundred nine thousand, five hundred sixty-three".