63157284 has 72 divisors (see below), whose sum is σ = 164760960. Its totient is φ = 20388672.

The previous prime is 63157277. The next prime is 63157307. The reversal of 63157284 is 48275136.

63157284 is a `hidden beast` number, since 6 + 3 + 1 + 572 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275682 + ... + 275910.

Almost surely, 2^63157284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63157284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82380480).

63157284 is an abundant number, since it is smaller than the sum of its proper divisors (101603676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63157284 is a wasteful number, since it uses less digits than its factorization.

63157284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 444 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 63157284 is about 7947.1557176137. The cubic root of 63157284 is about 398.2365789565.

The spelling of 63157284 in words is "sixty-three million, one hundred fifty-seven thousand, two hundred eighty-four".