99512667 has 6 divisors (see below), whose sum is σ = 143740532. Its totient is φ = 66341772.

The previous prime is 99512657. The next prime is 99512683. The reversal of 99512667 is 76621599.

It is a happy number.

It is not a de Polignac number, because 99512667 - 2⁶ = 99512603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99512657) 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 5 ways as a sum of consecutive naturals, for example, 5528473 + ... + 5528490.

Almost surely, 2^99512667 is an apocalyptic number.

99512667 is a deficient number, since it is larger than the sum of its proper divisors (44227865).

99512667 is a wasteful number, since it uses less digits than its factorization.

99512667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056969 (or 11056966 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 99512667 is about 9975.6035907608. The cubic root of 99512667 is about 463.4036554007.

The spelling of 99512667 in words is "ninety-nine million, five hundred twelve thousand, six hundred sixty-seven".