99825367 has 4 divisors (see below), whose sum is σ = 99853920. Its totient is φ = 99796816.

The previous prime is 99825347. The next prime is 99825379. The reversal of 99825367 is 76352899.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99825367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99825367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99825347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8158 + ... + 16315.

It is an arithmetic number, because the mean of its divisors is an integer number (24963480).

Almost surely, 2^99825367 is an apocalyptic number.

99825367 is the 8158-th pentagonal number.

99825367 is a deficient number, since it is larger than the sum of its proper divisors (28553).

99825367 is a wasteful number, since it uses less digits than its factorization.

99825367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28552.

The product of its digits is 816480, while the sum is 49.

The square root of 99825367 is about 9991.2645345822. The cubic root of 99825367 is about 463.8885343997. Note that the first 3 decimals are identical.

The spelling of 99825367 in words is "ninety-nine million, eight hundred twenty-five thousand, three hundred sixty-seven".