99573456227 has 16 divisors (see below), whose sum is σ = 120508093440. Its totient is φ = 80317603968.

The previous prime is 99573456217. The next prime is 99573456259. The reversal of 99573456227 is 72265437599.

It is a happy number.

It is not a de Polignac number, because 99573456227 - 2⁴ = 99573456211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99573456217) 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, 927158 + ... + 1028964.

It is an arithmetic number, because the mean of its divisors is an integer number (7531755840).

Almost surely, 2^99573456227 is an apocalyptic number.

99573456227 is a deficient number, since it is larger than the sum of its proper divisors (20934637213).

99573456227 is a wasteful number, since it uses less digits than its factorization.

99573456227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110050.

The product of its digits is 28576800, while the sum is 59.

The spelling of 99573456227 in words is "ninety-nine billion, five hundred seventy-three million, four hundred fifty-six thousand, two hundred twenty-seven".