968421967 has 4 divisors (see below), whose sum is σ = 971536176. Its totient is φ = 965307760.

The previous prime is 968421943. The next prime is 968421991. The reversal of 968421967 is 769124869.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (968421943) and next prime (968421991).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968421967 is a prime.

It is a super-2 number, since 2×968421967² = 1875682212336298178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968421917) 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, 1556638 + ... + 1557259.

It is an arithmetic number, because the mean of its divisors is an integer number (242884044).

Almost surely, 2^968421967 is an apocalyptic number.

968421967 is a deficient number, since it is larger than the sum of its proper divisors (3114209).

968421967 is a wasteful number, since it uses less digits than its factorization.

968421967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114208.

The product of its digits is 1306368, while the sum is 52.

The square root of 968421967 is about 31119.4788998788. The cubic root of 968421967 is about 989.3612064520.

The spelling of 968421967 in words is "nine hundred sixty-eight million, four hundred twenty-one thousand, nine hundred sixty-seven".