99963667 has 8 divisors (see below), whose sum is σ = 103847040. Its totient is φ = 96109440.

The previous prime is 99963659. The next prime is 99963673. The reversal of 99963667 is 76636999.

It is a happy number.

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 99963667 - 2³ = 99963659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99963607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163 + ... + 14140.

It is an arithmetic number, because the mean of its divisors is an integer number (12980880).

Almost surely, 2^99963667 is an apocalyptic number.

99963667 is a deficient number, since it is larger than the sum of its proper divisors (3883373).

99963667 is a wasteful number, since it uses less digits than its factorization.

99963667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573.

The product of its digits is 3306744, while the sum is 55.

The square root of 99963667 is about 9998.1831849592. The cubic root of 99963667 is about 464.1026622694.

The spelling of 99963667 in words is "ninety-nine million, nine hundred sixty-three thousand, six hundred sixty-seven".