99677225 has 12 divisors (see below), whose sum is σ = 126475536. Its totient is φ = 77886480.

The previous prime is 99677219. The next prime is 99677251. The reversal of 99677225 is 52277699.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-99677225 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99677225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45287 + ... + 47436.

It is an arithmetic number, because the mean of its divisors is an integer number (10539628).

Almost surely, 2^99677225 is an apocalyptic number.

It is an amenable number.

99677225 is a deficient number, since it is larger than the sum of its proper divisors (26798311).

99677225 is a wasteful number, since it uses less digits than its factorization.

99677225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92776 (or 92771 counting only the distinct ones).

The product of its digits is 476280, while the sum is 47.

The square root of 99677225 is about 9983.8482059775. The cubic root of 99677225 is about 463.6589488083.

The spelling of 99677225 in words is "ninety-nine million, six hundred seventy-seven thousand, two hundred twenty-five".