99677172 has 96 divisors (see below), whose sum is σ = 276371200. Its totient is φ = 27941760.

The previous prime is 99677141. The next prime is 99677213. The reversal of 99677172 is 27177699.

Its product of digits (333396) is a multiple of the sum of its prime factors (486).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250878 + ... + 251274.

Almost surely, 2^99677172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99677172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138185600).

99677172 is an abundant number, since it is smaller than the sum of its proper divisors (176694028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99677172 is a wasteful number, since it uses less digits than its factorization.

99677172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 470 counting only the distinct ones).

The product of its digits is 333396, while the sum is 48.

The square root of 99677172 is about 9983.8455516900. The cubic root of 99677172 is about 463.6588666300.

The spelling of 99677172 in words is "ninety-nine million, six hundred seventy-seven thousand, one hundred seventy-two".