88031889 has 12 divisors (see below), whose sum is σ = 138717072. Its totient is φ = 53352600.

The previous prime is 88031873. The next prime is 88031891. The reversal of 88031889 is 98813088.

It is not a de Polignac number, because 88031889 - 2⁴ = 88031873 is a prime.

It is a super-2 number, since 2×88031889² = 15499226961816642, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88031809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444507 + ... + 444704.

It is an arithmetic number, because the mean of its divisors is an integer number (11559756).

Almost surely, 2^88031889 is an apocalyptic number.

It is an amenable number.

88031889 is a deficient number, since it is larger than the sum of its proper divisors (50685183).

88031889 is a wasteful number, since it uses less digits than its factorization.

88031889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889228 (or 889225 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 88031889 is about 9382.5310551045. The cubic root of 88031889 is about 444.8497392777.

The spelling of 88031889 in words is "eighty-eight million, thirty-one thousand, eight hundred eighty-nine".