63899794 has 8 divisors (see below), whose sum is σ = 109542528. Its totient is φ = 27385620.

The previous prime is 63899783. The next prime is 63899807. The reversal of 63899794 is 49799836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282122 + ... + 2282149.

It is an arithmetic number, because the mean of its divisors is an integer number (13692816).

Almost surely, 2^63899794 is an apocalyptic number.

63899794 is a deficient number, since it is larger than the sum of its proper divisors (45642734).

63899794 is a wasteful number, since it uses less digits than its factorization.

63899794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564280.

The product of its digits is 2939328, while the sum is 55.

The square root of 63899794 is about 7993.7346716038. The cubic root of 63899794 is about 399.7911284507.

The spelling of 63899794 in words is "sixty-three million, eight hundred ninety-nine thousand, seven hundred ninety-four".