83968667 has 4 divisors (see below), whose sum is σ = 83988480. Its totient is φ = 83948856.

The previous prime is 83968639. The next prime is 83968669. The reversal of 83968667 is 76686938.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83968667 - 2⁶ = 83968603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83968669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692 + ... + 12977.

It is an arithmetic number, because the mean of its divisors is an integer number (20997120).

Almost surely, 2^83968667 is an apocalyptic number.

83968667 is a deficient number, since it is larger than the sum of its proper divisors (19813).

83968667 is a wasteful number, since it uses less digits than its factorization.

83968667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19812.

The product of its digits is 2612736, while the sum is 53.

The square root of 83968667 is about 9163.4418751908. The cubic root of 83968667 is about 437.8974534575.

The spelling of 83968667 in words is "eighty-three million, nine hundred sixty-eight thousand, six hundred sixty-seven".