63179428247 has 32 divisors (see below), whose sum is σ = 70934814720. Its totient is φ = 55895495040.

The previous prime is 63179428237. The next prime is 63179428261. The reversal of 63179428247 is 74282497136.

It is a happy number.

It is not a de Polignac number, because 63179428247 - 2¹⁴ = 63179411863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63179428237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10071722 + ... + 10077992.

It is an arithmetic number, because the mean of its divisors is an integer number (2216712960).

Almost surely, 2^63179428247 is an apocalyptic number.

63179428247 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

63179428247 is a deficient number, since it is larger than the sum of its proper divisors (7755386473).

63179428247 is a wasteful number, since it uses less digits than its factorization.

63179428247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663.

The product of its digits is 4064256, while the sum is 53.

The spelling of 63179428247 in words is "sixty-three billion, one hundred seventy-nine million, four hundred twenty-eight thousand, two hundred forty-seven".