99670967 has 6 divisors (see below), whose sum is σ = 109555824. Its totient is φ = 90609860.

The previous prime is 99670943. The next prime is 99670969. The reversal of 99670967 is 76907699.

It is not a de Polignac number, because 99670967 - 2¹⁸ = 99408823 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 (99670969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411743 + ... + 411984.

It is an arithmetic number, because the mean of its divisors is an integer number (18259304).

Almost surely, 2^99670967 is an apocalyptic number.

99670967 is a deficient number, since it is larger than the sum of its proper divisors (9884857).

99670967 is a wasteful number, since it uses less digits than its factorization.

99670967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823749 (or 823738 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 99670967 is about 9983.5347948510. The cubic root of 99670967 is about 463.6492453599.

The spelling of 99670967 in words is "ninety-nine million, six hundred seventy thousand, nine hundred sixty-seven".