99379651 has 4 divisors (see below), whose sum is σ = 113576752. Its totient is φ = 85182552.

The previous prime is 99379649. The next prime is 99379661. The reversal of 99379651 is 15697399.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 99379651 - 2¹ = 99379649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99379595 and 99379604.

It is not an unprimeable number, because it can be changed into a prime (99379601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7098540 + ... + 7098553.

It is an arithmetic number, because the mean of its divisors is an integer number (28394188).

Almost surely, 2^99379651 is an apocalyptic number.

99379651 is a deficient number, since it is larger than the sum of its proper divisors (14197101).

99379651 is a wasteful number, since it uses less digits than its factorization.

99379651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14197100.

The product of its digits is 459270, while the sum is 49.

The square root of 99379651 is about 9968.9342961021. The cubic root of 99379651 is about 463.1970901223.

The spelling of 99379651 in words is "ninety-nine million, three hundred seventy-nine thousand, six hundred fifty-one".