7890990967 has 2 divisors, whose sum is σ = 7890990968. Its totient is φ = 7890990966.

The previous prime is 7890990959. The next prime is 7890990977. The reversal of 7890990967 is 7690990987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7890990967 - 2³ = 7890990959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7890990899 and 7890990908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7890990977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3945495483 + 3945495484.

It is an arithmetic number, because the mean of its divisors is an integer number (3945495484).

Almost surely, 2^7890990967 is an apocalyptic number.

7890990967 is a deficient number, since it is larger than the sum of its proper divisors (1).

7890990967 is an equidigital number, since it uses as much as digits as its factorization.

7890990967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15431472, while the sum is 64.

The square root of 7890990967 is about 88831.2499461760. The cubic root of 7890990967 is about 1990.8743383972.

The spelling of 7890990967 in words is "seven billion, eight hundred ninety million, nine hundred ninety thousand, nine hundred sixty-seven".