99979276 has 24 divisors (see below), whose sum is σ = 180613440. Its totient is φ = 48401232.

The previous prime is 99979249. The next prime is 99979303. The reversal of 99979276 is 67297999.

It is an interprime number because it is at equal distance from previous prime (99979249) and next prime (99979303).

It is a self number, because there is not a number n which added to its sum of digits gives 99979276.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12651 + ... + 18973.

It is an arithmetic number, because the mean of its divisors is an integer number (7525560).

Almost surely, 2^99979276 is an apocalyptic number.

It is an amenable number.

99979276 is a deficient number, since it is larger than the sum of its proper divisors (80634164).

99979276 is a wasteful number, since it uses less digits than its factorization.

99979276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453 (or 6451 counting only the distinct ones).

The product of its digits is 3857868, while the sum is 58.

The square root of 99979276 is about 9998.9637463089. The cubic root of 99979276 is about 464.1268170504.

The spelling of 99979276 in words is "ninety-nine million, nine hundred seventy-nine thousand, two hundred seventy-six".