88870890 has 32 divisors (see below), whose sum is σ = 217831680. Its totient is φ = 23194304.

The previous prime is 88870889. The next prime is 88870897. The reversal of 88870890 is 9807888.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (88870897) 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, 30105 + ... + 32924.

It is an arithmetic number, because the mean of its divisors is an integer number (6807240).

Almost surely, 2^88870890 is an apocalyptic number.

88870890 is an abundant number, since it is smaller than the sum of its proper divisors (128960790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88870890 is a wasteful number, since it uses less digits than its factorization.

88870890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63086.

The product of its (nonzero) digits is 258048, while the sum is 48.

The square root of 88870890 is about 9427.1358322663. The cubic root of 88870890 is about 446.2585087315.

The spelling of 88870890 in words is "eighty-eight million, eight hundred seventy thousand, eight hundred ninety".