88815889 has 8 divisors (see below), whose sum is σ = 89654400. Its totient is φ = 87981696.

The previous prime is 88815887. The next prime is 88815911. The reversal of 88815889 is 98851888.

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 88815889 - 2¹ = 88815887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88815887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51489 + ... + 53185.

It is an arithmetic number, because the mean of its divisors is an integer number (11206800).

Almost surely, 2^88815889 is an apocalyptic number.

It is an amenable number.

88815889 is a deficient number, since it is larger than the sum of its proper divisors (838511).

88815889 is a wasteful number, since it uses less digits than its factorization.

88815889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its digits is 1474560, while the sum is 55.

The square root of 88815889 is about 9424.2182169133. The cubic root of 88815889 is about 446.1664286011.

The spelling of 88815889 in words is "eighty-eight million, eight hundred fifteen thousand, eight hundred eighty-nine".