99377047 has 16 divisors (see below), whose sum is σ = 126432000. Its totient is φ = 77433720.

The previous prime is 99377029. The next prime is 99377081. The reversal of 99377047 is 74077399.

It is not a de Polignac number, because 99377047 - 2¹¹ = 99374999 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99376988 and 99377006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99377027) 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, 9397 + ... + 16942.

It is an arithmetic number, because the mean of its divisors is an integer number (7902000).

Almost surely, 2^99377047 is an apocalyptic number.

99377047 is a deficient number, since it is larger than the sum of its proper divisors (27054953).

99377047 is a wasteful number, since it uses less digits than its factorization.

99377047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26371 (or 26357 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 99377047 is about 9968.8036895106. The cubic root of 99377047 is about 463.1930444391.

It can be divided in two parts, 99 and 377047, that added together give a triangular number (377146 = T₈₆₈).

The spelling of 99377047 in words is "ninety-nine million, three hundred seventy-seven thousand, forty-seven".