99378800 has 30 divisors (see below), whose sum is σ = 238758528. Its totient is φ = 39751360.

The previous prime is 99378767. The next prime is 99378803. The reversal of 99378800 is 887399.

It is a super-2 number, since 2×99378800² = 19752291778880000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99378803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123824 + ... + 124623.

Almost surely, 2^99378800 is an apocalyptic number.

It is an amenable number.

99378800 is an abundant number, since it is smaller than the sum of its proper divisors (139379728).

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

99378800 is a wasteful number, since it uses less digits than its factorization.

99378800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248465 (or 248454 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 99378800 is about 9968.8916134142. The cubic root of 99378800 is about 463.1957679810.

The spelling of 99378800 in words is "ninety-nine million, three hundred seventy-eight thousand, eight hundred".