63695767 has 2 divisors, whose sum is σ = 63695768. Its totient is φ = 63695766.

The previous prime is 63695747. The next prime is 63695789. The reversal of 63695767 is 76759636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63695767 - 2¹⁵ = 63662999 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63695767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63695747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31847883 + 31847884.

It is an arithmetic number, because the mean of its divisors is an integer number (31847884).

Almost surely, 2^63695767 is an apocalyptic number.

63695767 is a deficient number, since it is larger than the sum of its proper divisors (1).

63695767 is an equidigital number, since it uses as much as digits as its factorization.

63695767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 49.

The square root of 63695767 is about 7980.9627865315. The cubic root of 63695767 is about 399.3651742737.

The spelling of 63695767 in words is "sixty-three million, six hundred ninety-five thousand, seven hundred sixty-seven".