63780368 has 10 divisors (see below), whose sum is σ = 123574494. Its totient is φ = 31890176.

The previous prime is 63780347. The next prime is 63780377. The reversal of 63780368 is 86308736.

It can be written as a sum of positive squares in only one way, i.e., 52301824 + 11478544 = 7232^2 + 3388^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993121 + ... + 1993152.

Almost surely, 2^63780368 is an apocalyptic number.

It is an amenable number.

63780368 is a deficient number, since it is larger than the sum of its proper divisors (59794126).

63780368 is a wasteful number, since it uses less digits than its factorization.

63780368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986281 (or 3986275 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 63780368 is about 7986.2612028408. The cubic root of 63780368 is about 399.5419089150.

The spelling of 63780368 in words is "sixty-three million, seven hundred eighty thousand, three hundred sixty-eight".