88149920 has 24 divisors (see below), whose sum is σ = 208254564. Its totient is φ = 35259904.

The previous prime is 88149889. The next prime is 88149931. The reversal of 88149920 is 2994188.

It can be written as a sum of positive squares in 2 ways, for example, as 88134544 + 15376 = 9388^2 + 124^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275309 + ... + 275628.

Almost surely, 2^88149920 is an apocalyptic number.

88149920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88149920 is an abundant number, since it is smaller than the sum of its proper divisors (120104644).

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

88149920 is a wasteful number, since it uses less digits than its factorization.

88149920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550952 (or 550944 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 88149920 is about 9388.8188820533. The cubic root of 88149920 is about 445.0484650325.

The spelling of 88149920 in words is "eighty-eight million, one hundred forty-nine thousand, nine hundred twenty".