99816867 has 16 divisors (see below), whose sum is σ = 149705760. Its totient is φ = 66543120.

The previous prime is 99816853. The next prime is 99816881. The reversal of 99816867 is 76861899.

It is an interprime number because it is at equal distance from previous prime (99816853) and next prime (99816881).

It is not a de Polignac number, because 99816867 - 2⁸ = 99816611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99816817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20634 + ... + 25007.

It is an arithmetic number, because the mean of its divisors is an integer number (9356610).

Almost surely, 2^99816867 is an apocalyptic number.

99816867 is a deficient number, since it is larger than the sum of its proper divisors (49888893).

99816867 is an frugal number, since it uses more digits than its factorization.

99816867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45662 (or 45644 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 99816867 is about 9990.8391539450. The cubic root of 99816867 is about 463.8753675245.

The spelling of 99816867 in words is "ninety-nine million, eight hundred sixteen thousand, eight hundred sixty-seven".