63379899 has 24 divisors (see below), whose sum is σ = 100621872. Its totient is φ = 38123520.

The previous prime is 63379889. The next prime is 63379907. The reversal of 63379899 is 99897336.

It is not a de Polignac number, because 63379899 - 2¹¹ = 63377851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63379889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11227 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (4192578).

Almost surely, 2^63379899 is an apocalyptic number.

63379899 is a deficient number, since it is larger than the sum of its proper divisors (37241973).

63379899 is a wasteful number, since it uses less digits than its factorization.

63379899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827 (or 4824 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 63379899 is about 7961.1493516954. The cubic root of 63379899 is about 398.7039279455.

The spelling of 63379899 in words is "sixty-three million, three hundred seventy-nine thousand, eight hundred ninety-nine".