402763967 has 2 divisors, whose sum is σ = 402763968. Its totient is φ = 402763966.

The previous prime is 402763937. The next prime is 402763973. The reversal of 402763967 is 769367204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402763967 - 2²² = 398569663 is a prime.

It is a super-2 number, since 2×402763967² = 324437626227154178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402763927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201381983 + 201381984.

It is an arithmetic number, because the mean of its divisors is an integer number (201381984).

Almost surely, 2^402763967 is an apocalyptic number.

402763967 is a deficient number, since it is larger than the sum of its proper divisors (1).

402763967 is an equidigital number, since it uses as much as digits as its factorization.

402763967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 402763967 is about 20068.9802182373. The cubic root of 402763967 is about 738.4994959954.

The spelling of 402763967 in words is "four hundred two million, seven hundred sixty-three thousand, nine hundred sixty-seven".