63706397226 has 16 divisors (see below), whose sum is σ = 127421366304. Its totient is φ = 21234037104.

The previous prime is 63706397207. The next prime is 63706397273. The reversal of 63706397226 is 62279360736.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258445 + ... + 440688.

It is an arithmetic number, because the mean of its divisors is an integer number (7963835394).

Almost surely, 2^63706397226 is an apocalyptic number.

63706397226 is an abundant number, since it is smaller than the sum of its proper divisors (63714969078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63706397226 is a wasteful number, since it uses less digits than its factorization.

63706397226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714325.

The product of its (nonzero) digits is 3429216, while the sum is 51.

The spelling of 63706397226 in words is "sixty-three billion, seven hundred six million, three hundred ninety-seven thousand, two hundred twenty-six".