402078967 has 2 divisors, whose sum is σ = 402078968. Its totient is φ = 402078966.

The previous prime is 402078839. The next prime is 402078977. The reversal of 402078967 is 769870204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402078967 - 2⁷ = 402078839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402078977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201039483 + 201039484.

It is an arithmetic number, because the mean of its divisors is an integer number (201039484).

Almost surely, 2^402078967 is an apocalyptic number.

402078967 is a deficient number, since it is larger than the sum of its proper divisors (1).

402078967 is an equidigital number, since it uses as much as digits as its factorization.

402078967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 402078967 is about 20051.9068170586. The cubic root of 402078967 is about 738.0805912484.

The spelling of 402078967 in words is "four hundred two million, seventy-eight thousand, nine hundred sixty-seven".