63157798 has 16 divisors (see below), whose sum is σ = 105754176. Its totient is φ = 28040040.

The previous prime is 63157781. The next prime is 63157799. The reversal of 63157798 is 89775136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63157799) 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, 32436 + ... + 34327.

It is an arithmetic number, because the mean of its divisors is an integer number (6609636).

Almost surely, 2^63157798 is an apocalyptic number.

63157798 is a deficient number, since it is larger than the sum of its proper divisors (42596378).

63157798 is a wasteful number, since it uses less digits than its factorization.

63157798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66819.

The product of its digits is 317520, while the sum is 46.

The square root of 63157798 is about 7947.1880561618. The cubic root of 63157798 is about 398.2376592913.

The spelling of 63157798 in words is "sixty-three million, one hundred fifty-seven thousand, seven hundred ninety-eight".