63047720055 has 64 divisors (see below), whose sum is σ = 108223008768. Its totient is φ = 31229798400.

The previous prime is 63047720053. The next prime is 63047720059. The reversal of 63047720055 is 55002774036.

It is not a de Polignac number, because 63047720055 - 2¹ = 63047720053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63047719995 and 63047720022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63047720053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33164605 + ... + 33166505.

It is an arithmetic number, because the mean of its divisors is an integer number (1690984512).

Almost surely, 2^63047720055 is an apocalyptic number.

63047720055 is a deficient number, since it is larger than the sum of its proper divisors (45175288713).

63047720055 is a wasteful number, since it uses less digits than its factorization.

63047720055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576.

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 63047720055 in words is "sixty-three billion, forty-seven million, seven hundred twenty thousand, fifty-five".