99377811 has 12 divisors (see below), whose sum is σ = 154587888. Its totient is φ = 61155504.

The previous prime is 99377797. The next prime is 99377821. The reversal of 99377811 is 11877399.

It is not a de Polignac number, because 99377811 - 2¹⁰ = 99376787 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (99377821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424575 + ... + 424808.

It is an arithmetic number, because the mean of its divisors is an integer number (12882324).

Almost surely, 2^99377811 is an apocalyptic number.

99377811 is a deficient number, since it is larger than the sum of its proper divisors (55210077).

99377811 is a wasteful number, since it uses less digits than its factorization.

99377811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849402 (or 849399 counting only the distinct ones).

The product of its digits is 95256, while the sum is 45.

The square root of 99377811 is about 9968.8420089798. The cubic root of 99377811 is about 463.1942314288.

The spelling of 99377811 in words is "ninety-nine million, three hundred seventy-seven thousand, eight hundred eleven".