99474279 has 8 divisors (see below), whose sum is σ = 133228032. Its totient is φ = 66018360.

The previous prime is 99474247. The next prime is 99474299. The reversal of 99474279 is 97247499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99474279 - 2⁵ = 99474247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99474209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73677 + ... + 75014.

It is an arithmetic number, because the mean of its divisors is an integer number (16653504).

Almost surely, 2^99474279 is an apocalyptic number.

99474279 is a deficient number, since it is larger than the sum of its proper divisors (33753753).

99474279 is a wasteful number, since it uses less digits than its factorization.

99474279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148917.

The product of its digits is 1143072, while the sum is 51.

The square root of 99474279 is about 9973.6793110667. The cubic root of 99474279 is about 463.3440602155.

The spelling of 99474279 in words is "ninety-nine million, four hundred seventy-four thousand, two hundred seventy-nine".