99380277 has 20 divisors (see below), whose sum is σ = 148779180. Its totient is φ = 66109824.

The previous prime is 99380273. The next prime is 99380293. The reversal of 99380277 is 77208399.

It can be written as a sum of positive squares in 2 ways, for example, as 36796356 + 62583921 = 6066^2 + 7911^2 .

It is not a de Polignac number, because 99380277 - 2² = 99380273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99380273) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46999 + ... + 49067.

It is an arithmetic number, because the mean of its divisors is an integer number (7438959).

Almost surely, 2^99380277 is an apocalyptic number.

It is an amenable number.

99380277 is a deficient number, since it is larger than the sum of its proper divisors (49398903).

99380277 is a wasteful number, since it uses less digits than its factorization.

99380277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2665 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 99380277 is about 9968.9656935913. The cubic root of 99380277 is about 463.1980626916.

The spelling of 99380277 in words is "ninety-nine million, three hundred eighty thousand, two hundred seventy-seven".