39976026667 has 2 divisors, whose sum is σ = 39976026668. Its totient is φ = 39976026666.

The previous prime is 39976026647. The next prime is 39976026707. The reversal of 39976026667 is 76662067993.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39976026667 is a prime.

It is not a weakly prime, because it can be changed into another prime (39976026637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19988013333 + 19988013334.

It is an arithmetic number, because the mean of its divisors is an integer number (19988013334).

Almost surely, 2^39976026667 is an apocalyptic number.

39976026667 is a deficient number, since it is larger than the sum of its proper divisors (1).

39976026667 is an equidigital number, since it uses as much as digits as its factorization.

39976026667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30862944, while the sum is 61.

The spelling of 39976026667 in words is "thirty-nine billion, nine hundred seventy-six million, twenty-six thousand, six hundred sixty-seven".