63942799 has 2 divisors, whose sum is σ = 63942800. Its totient is φ = 63942798.

The previous prime is 63942787. The next prime is 63942811. The reversal of 63942799 is 99724936.

It is a balanced prime because it is at equal distance from previous prime (63942787) and next prime (63942811).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63942799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63942719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31971399 + 31971400.

It is an arithmetic number, because the mean of its divisors is an integer number (31971400).

Almost surely, 2^63942799 is an apocalyptic number.

63942799 is a deficient number, since it is larger than the sum of its proper divisors (1).

63942799 is an equidigital number, since it uses as much as digits as its factorization.

63942799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 49.

The square root of 63942799 is about 7996.4241383258. The cubic root of 63942799 is about 399.8807957294.

The spelling of 63942799 in words is "sixty-three million, nine hundred forty-two thousand, seven hundred ninety-nine".