99070279 has 16 divisors (see below), whose sum is σ = 124001280. Its totient is φ = 76894560.

The previous prime is 99070277. The next prime is 99070333. The reversal of 99070279 is 97207099.

It is a cyclic number.

It is not a de Polignac number, because 99070279 - 2¹ = 99070277 is a prime.

It is a super-2 number, since 2×99070279² = 19629840362275682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99070273) 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, 18322 + ... + 23104.

It is an arithmetic number, because the mean of its divisors is an integer number (7750080).

Almost surely, 2^99070279 is an apocalyptic number.

99070279 is a deficient number, since it is larger than the sum of its proper divisors (24931001).

99070279 is a wasteful number, since it uses less digits than its factorization.

99070279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 99070279 is about 9953.4053971493. The cubic root of 99070279 is about 462.7159414305.

The spelling of 99070279 in words is "ninety-nine million, seventy thousand, two hundred seventy-nine".