63112578685 has 32 divisors (see below), whose sum is σ = 84342924288. Its totient is φ = 45021864960.

The previous prime is 63112578649. The next prime is 63112578701. The reversal of 63112578685 is 58687521136.

It is not a de Polignac number, because 63112578685 - 2⁹ = 63112578173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1106629 + ... + 1162261.

It is an arithmetic number, because the mean of its divisors is an integer number (2635716384).

Almost surely, 2^63112578685 is an apocalyptic number.

63112578685 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63112578685 is a deficient number, since it is larger than the sum of its proper divisors (21230345603).

63112578685 is a wasteful number, since it uses less digits than its factorization.

63112578685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56245.

The product of its digits is 2419200, while the sum is 52.

The spelling of 63112578685 in words is "sixty-three billion, one hundred twelve million, five hundred seventy-eight thousand, six hundred eighty-five".