99279345 has 32 divisors (see below), whose sum is σ = 173850624. Its totient is φ = 47979200.

The previous prime is 99279319. The next prime is 99279353. The reversal of 99279345 is 54397299.

It is not a de Polignac number, because 99279345 - 2⁶ = 99279281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99279294 and 99279303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62410 + ... + 63980.

It is an arithmetic number, because the mean of its divisors is an integer number (5432832).

Almost surely, 2^99279345 is an apocalyptic number.

It is an amenable number.

99279345 is a deficient number, since it is larger than the sum of its proper divisors (74571279).

99279345 is a wasteful number, since it uses less digits than its factorization.

99279345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973.

The product of its digits is 612360, while the sum is 48.

The square root of 99279345 is about 9963.9020970702. The cubic root of 99279345 is about 463.0411994307.

The spelling of 99279345 in words is "ninety-nine million, two hundred seventy-nine thousand, three hundred forty-five".