63238507257 has 8 divisors (see below), whose sum is σ = 87037945600. Its totient is φ = 40799036880.

The previous prime is 63238507243. The next prime is 63238507259. The reversal of 63238507257 is 75270583236.

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

It is not a de Polignac number, because 63238507257 - 2²³ = 63230118649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63238507259) 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, 339991882 + ... + 339992067.

It is an arithmetic number, because the mean of its divisors is an integer number (10879743200).

Almost surely, 2^63238507257 is an apocalyptic number.

It is an amenable number.

63238507257 is a deficient number, since it is larger than the sum of its proper divisors (23799438343).

63238507257 is a wasteful number, since it uses less digits than its factorization.

63238507257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679983983.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 63238507257 in words is "sixty-three billion, two hundred thirty-eight million, five hundred seven thousand, two hundred fifty-seven".