63107778307 has 12 divisors (see below), whose sum is σ = 73421705016. Its totient is φ = 54084559200.

The previous prime is 63107778277. The next prime is 63107778317. The reversal of 63107778307 is 70387770136.

It is not a de Polignac number, because 63107778307 - 2¹⁵ = 63107745539 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63107778317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262932 + ... + 441982.

It is an arithmetic number, because the mean of its divisors is an integer number (6118475418).

Almost surely, 2^63107778307 is an apocalyptic number.

63107778307 is a deficient number, since it is larger than the sum of its proper divisors (10313926709).

63107778307 is a wasteful number, since it uses less digits than its factorization.

63107778307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186258 (or 186251 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 49.

The spelling of 63107778307 in words is "sixty-three billion, one hundred seven million, seven hundred seventy-eight thousand, three hundred seven".