88388890 has 16 divisors (see below), whose sum is σ = 159213600. Its totient is φ = 35330320.

The previous prime is 88388887. The next prime is 88388891. The reversal of 88388890 is 9888388.

It is not an unprimeable number, because it can be changed into a prime (88388891) 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, 18885 + ... + 23095.

It is an arithmetic number, because the mean of its divisors is an integer number (9950850).

Almost surely, 2^88388890 is an apocalyptic number.

88388890 is a deficient number, since it is larger than the sum of its proper divisors (70824710).

88388890 is a wasteful number, since it uses less digits than its factorization.

88388890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317.

The product of its (nonzero) digits is 884736, while the sum is 52.

The square root of 88388890 is about 9401.5365765390. The cubic root of 88388890 is about 445.4502701620.

The spelling of 88388890 in words is "eighty-eight million, three hundred eighty-eight thousand, eight hundred ninety".