99715951 has 8 divisors (see below), whose sum is σ = 101122560. Its totient is φ = 98314392.

The previous prime is 99715937. The next prime is 99715961. The reversal of 99715951 is 15951799.

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

It is a cyclic number.

It is not a de Polignac number, because 99715951 - 2⁷ = 99715823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99715901) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 55810 + ... + 57568.

It is an arithmetic number, because the mean of its divisors is an integer number (12640320).

Almost surely, 2^99715951 is an apocalyptic number.

99715951 is a deficient number, since it is larger than the sum of its proper divisors (1406609).

99715951 is a wasteful number, since it uses less digits than its factorization.

99715951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525.

The product of its digits is 127575, while the sum is 46.

The square root of 99715951 is about 9985.7874501714. The cubic root of 99715951 is about 463.7189870354.

The spelling of 99715951 in words is "ninety-nine million, seven hundred fifteen thousand, nine hundred fifty-one".