63390079 has 2 divisors, whose sum is σ = 63390080. Its totient is φ = 63390078.

The previous prime is 63390077. The next prime is 63390083. The reversal of 63390079 is 97009336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63390079 - 2¹ = 63390077 is a prime.

Together with 63390077, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63390077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31695039 + 31695040.

It is an arithmetic number, because the mean of its divisors is an integer number (31695040).

Almost surely, 2^63390079 is an apocalyptic number.

63390079 is a deficient number, since it is larger than the sum of its proper divisors (1).

63390079 is an equidigital number, since it uses as much as digits as its factorization.

63390079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 63390079 is about 7961.7886809435. The cubic root of 63390079 is about 398.7252732445.

The spelling of 63390079 in words is "sixty-three million, three hundred ninety thousand, seventy-nine".