63812386870 has 16 divisors (see below), whose sum is σ = 114872116320. Its totient is φ = 25522772544.

The previous prime is 63812386843. The next prime is 63812386909. The reversal of 63812386870 is 7868321836.

63812386870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147207 + ... + 386386.

It is an arithmetic number, because the mean of its divisors is an integer number (7179507270).

Almost surely, 2^63812386870 is an apocalyptic number.

63812386870 is a deficient number, since it is larger than the sum of its proper divisors (51059729450).

63812386870 is a wasteful number, since it uses less digits than its factorization.

63812386870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545559.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 63812386870 in words is "sixty-three billion, eight hundred twelve million, three hundred eighty-six thousand, eight hundred seventy".