89927890 has 32 divisors (see below), whose sum is σ = 176795136. Its totient is φ = 32733120.

The previous prime is 89927881. The next prime is 89927891. The reversal of 89927890 is 9872998.

It is not an unprimeable number, because it can be changed into a prime (89927891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4359 + ... + 14101.

It is an arithmetic number, because the mean of its divisors is an integer number (5524848).

Almost surely, 2^89927890 is an apocalyptic number.

89927890 is a deficient number, since it is larger than the sum of its proper divisors (86867246).

89927890 is a wasteful number, since it uses less digits than its factorization.

89927890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9834.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 89927890 is about 9483.0316882314. The cubic root of 89927890 is about 448.0207559739.

The spelling of 89927890 in words is "eighty-nine million, nine hundred twenty-seven thousand, eight hundred ninety".