63977642982 has 48 divisors (see below), whose sum is σ = 155306925072. Its totient is φ = 18863184960.

The previous prime is 63977642957. The next prime is 63977643001. The reversal of 63977642982 is 28924677936.

63977642982 is a `hidden beast` number, since 63 + 9 + 7 + 76 + 429 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4359153 + ... + 4373804.

It is an arithmetic number, because the mean of its divisors is an integer number (3235560939).

Almost surely, 2^63977642982 is an apocalyptic number.

63977642982 is an abundant number, since it is smaller than the sum of its proper divisors (91329282090).

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

63977642982 is a wasteful number, since it uses less digits than its factorization.

63977642982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8733013 (or 8733010 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 63977642982 in words is "sixty-three billion, nine hundred seventy-seven million, six hundred forty-two thousand, nine hundred eighty-two".