63979385148 has 72 divisors (see below), whose sum is σ = 195701661792. Its totient is φ = 17204539392.

The previous prime is 63979385117. The next prime is 63979385167. The reversal of 63979385148 is 84158397936.

It is a super-2 number, since 2×63979385148² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 7462965 + ... + 7471532.

It is an arithmetic number, because the mean of its divisors is an integer number (2718078636).

Almost surely, 2^63979385148 is an apocalyptic number.

63979385148 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

63979385148 is an abundant number, since it is smaller than the sum of its proper divisors (131722276644).

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

63979385148 is a wasteful number, since it uses less digits than its factorization.

63979385148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14934531 (or 14934526 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 63979385148 in words is "sixty-three billion, nine hundred seventy-nine million, three hundred eighty-five thousand, one hundred forty-eight".