63822916 has 6 divisors (see below), whose sum is σ = 111690110. Its totient is φ = 31911456.

The previous prime is 63822877. The next prime is 63822917. The reversal of 63822916 is 61922836.

It can be written as a sum of positive squares in only one way, i.e., 57062916 + 6760000 = 7554^2 + 2600^2 .

It is not an unprimeable number, because it can be changed into a prime (63822917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7977861 + ... + 7977868.

Almost surely, 2^63822916 is an apocalyptic number.

It is an amenable number.

63822916 is a deficient number, since it is larger than the sum of its proper divisors (47867194).

63822916 is a wasteful number, since it uses less digits than its factorization.

63822916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15955733 (or 15955731 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 63822916 is about 7988.9245834468. The cubic root of 63822916 is about 399.6307342118.

The spelling of 63822916 in words is "sixty-three million, eight hundred twenty-two thousand, nine hundred sixteen".