99740088 has 144 divisors (see below), whose sum is σ = 332916480. Its totient is φ = 26804736.

The previous prime is 99740087. The next prime is 99740093. The reversal of 99740088 is 88004799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99740083) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59145 + ... + 60807.

It is an arithmetic number, because the mean of its divisors is an integer number (2311920).

Almost surely, 2^99740088 is an apocalyptic number.

99740088 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99740088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166458240).

99740088 is an abundant number, since it is smaller than the sum of its proper divisors (233176392).

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

99740088 is a wasteful number, since it uses less digits than its factorization.

99740088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 99740088 is about 9986.9959447273. The cubic root of 99740088 is about 463.7563995794.

The spelling of 99740088 in words is "ninety-nine million, seven hundred forty thousand, eighty-eight".