99897795 has 48 divisors (see below), whose sum is σ = 178588800. Its totient is φ = 51631872.

The previous prime is 99897773. The next prime is 99897881. The reversal of 99897795 is 59779899.

It is not a de Polignac number, because 99897795 - 2⁷ = 99897667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314977 + ... + 315293.

It is an arithmetic number, because the mean of its divisors is an integer number (3720600).

Almost surely, 2^99897795 is an apocalyptic number.

99897795 is a deficient number, since it is larger than the sum of its proper divisors (78691005).

99897795 is a wasteful number, since it uses less digits than its factorization.

99897795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 521 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 63.

The square root of 99897795 is about 9994.8884435996. Note that the first 3 decimals coincide. The cubic root of 99897795 is about 464.0006982624. Note that the first 3 decimals are identical.

The spelling of 99897795 in words is "ninety-nine million, eight hundred ninety-seven thousand, seven hundred ninety-five".