63379687 has 18 divisors (see below), whose sum is σ = 77833728. Its totient is φ = 51451848.

The previous prime is 63379681. The next prime is 63379699. The reversal of 63379687 is 78697336.

It is not a de Polignac number, because 63379687 - 2¹⁹ = 62855399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a zygodrome in base 2 and base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 63379687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63379681) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15898 + ... + 19480.

It is an arithmetic number, because the mean of its divisors is an integer number (4324096).

Almost surely, 2^63379687 is an apocalyptic number.

63379687 is a deficient number, since it is larger than the sum of its proper divisors (14454041).

63379687 is a wasteful number, since it uses less digits than its factorization.

63379687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635 (or 3609 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 49.

The square root of 63379687 is about 7961.1360370239. The cubic root of 63379687 is about 398.7034834022.

The spelling of 63379687 in words is "sixty-three million, three hundred seventy-nine thousand, six hundred eighty-seven".