63996079 has 4 divisors (see below), whose sum is σ = 73138384. Its totient is φ = 54853776.

The previous prime is 63996077. The next prime is 63996091. The reversal of 63996079 is 97069936.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63996079 - 2¹ = 63996077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63996077) 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, 4571142 + ... + 4571155.

It is an arithmetic number, because the mean of its divisors is an integer number (18284596).

Almost surely, 2^63996079 is an apocalyptic number.

63996079 is a deficient number, since it is larger than the sum of its proper divisors (9142305).

63996079 is an equidigital number, since it uses as much as digits as its factorization.

63996079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142304.

The product of its (nonzero) digits is 551124, while the sum is 49.

The square root of 63996079 is about 7999.7549337464. The cubic root of 63996079 is about 399.9918310832.

The spelling of 63996079 in words is "sixty-three million, nine hundred ninety-six thousand, seventy-nine".