99967958 has 8 divisors (see below), whose sum is σ = 150405960. Its totient is φ = 49832640.

The previous prime is 99967937. The next prime is 99967961. The reversal of 99967958 is 85976999.

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

It is a self number, because there is not a number n which added to its sum of digits gives 99967958.

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 3 ways as a sum of consecutive naturals, for example, 74843 + ... + 76166.

It is an arithmetic number, because the mean of its divisors is an integer number (18800745).

Almost surely, 2^99967958 is an apocalyptic number.

99967958 is a deficient number, since it is larger than the sum of its proper divisors (50438002).

99967958 is a wasteful number, since it uses less digits than its factorization.

99967958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151342.

The product of its digits is 11022480, while the sum is 62.

The square root of 99967958 is about 9998.3977716432. The cubic root of 99967958 is about 464.1093028022.

The spelling of 99967958 in words is "ninety-nine million, nine hundred sixty-seven thousand, nine hundred fifty-eight".