63880257 has 8 divisors (see below), whose sum is σ = 97341376. Its totient is φ = 36502992.

The previous prime is 63880249. The next prime is 63880273. The reversal of 63880257 is 75208836.

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

It is not a de Polignac number, because 63880257 - 2³ = 63880249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63882257) 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, 1520938 + ... + 1520979.

It is an arithmetic number, because the mean of its divisors is an integer number (12167672).

Almost surely, 2^63880257 is an apocalyptic number.

It is an amenable number.

63880257 is a deficient number, since it is larger than the sum of its proper divisors (33461119).

63880257 is a wasteful number, since it uses less digits than its factorization.

63880257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041927.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 63880257 is about 7992.5125586389. The cubic root of 63880257 is about 399.7503796733.

The spelling of 63880257 in words is "sixty-three million, eight hundred eighty thousand, two hundred fifty-seven".