63276388 has 12 divisors (see below), whose sum is σ = 126552832. Its totient is φ = 27118440.

The previous prime is 63276383. The next prime is 63276391. The reversal of 63276388 is 88367236.

63276388 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63276383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129908 + ... + 1129963.

Almost surely, 2^63276388 is an apocalyptic number.

It is an amenable number.

63276388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63276388 is a wasteful number, since it uses less digits than its factorization.

63276388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259882 (or 2259880 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 63276388 is about 7954.6456866412. The cubic root of 63276388 is about 398.4867574617.

The spelling of 63276388 in words is "sixty-three million, two hundred seventy-six thousand, three hundred eighty-eight".