63967057 has 8 divisors (see below), whose sum is σ = 79751232. Its totient is φ = 49844400.

The previous prime is 63967051. The next prime is 63967063. The reversal of 63967057 is 75076936.

It is an interprime number because it is at equal distance from previous prime (63967051) and next prime (63967063).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63967057 - 2³ = 63967049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63967051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415294 + ... + 415447.

It is an arithmetic number, because the mean of its divisors is an integer number (9968904).

Almost surely, 2^63967057 is an apocalyptic number.

It is an amenable number.

63967057 is a deficient number, since it is larger than the sum of its proper divisors (15784175).

63967057 is a wasteful number, since it uses less digits than its factorization.

63967057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830759.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 63967057 is about 7997.9407974803. The cubic root of 63967057 is about 399.9313569710.

The spelling of 63967057 in words is "sixty-three million, nine hundred sixty-seven thousand, fifty-seven".