63116737 has 2 divisors, whose sum is σ = 63116738. Its totient is φ = 63116736.

The previous prime is 63116707. The next prime is 63116771. The reversal of 63116737 is 73761136.

It is a happy number.

It is an a-pointer prime, because the next prime (63116771) can be obtained adding 63116737 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54110736 + 9006001 = 7356^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 63116737 - 2²³ = 54728129 is a prime.

It is not a weakly prime, because it can be changed into another prime (63116707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31558368 + 31558369.

It is an arithmetic number, because the mean of its divisors is an integer number (31558369).

Almost surely, 2^63116737 is an apocalyptic number.

It is an amenable number.

63116737 is a deficient number, since it is larger than the sum of its proper divisors (1).

63116737 is an equidigital number, since it uses as much as digits as its factorization.

63116737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 34.

The square root of 63116737 is about 7944.6042695656. The cubic root of 63116737 is about 398.1513380346.

The spelling of 63116737 in words is "sixty-three million, one hundred sixteen thousand, seven hundred thirty-seven".