63476071557 has 16 divisors (see below), whose sum is σ = 86034070848. Its totient is φ = 41617918080.

The previous prime is 63476071507. The next prime is 63476071609. The reversal of 63476071557 is 75517067436.

It is not a de Polignac number, because 63476071557 - 2¹² = 63476067461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63476071507) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1613473 + ... + 1652345.

It is an arithmetic number, because the mean of its divisors is an integer number (5377129428).

Almost surely, 2^63476071557 is an apocalyptic number.

It is an amenable number.

63476071557 is a deficient number, since it is larger than the sum of its proper divisors (22557999291).

63476071557 is a wasteful number, since it uses less digits than its factorization.

63476071557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47860.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 63476071557 in words is "sixty-three billion, four hundred seventy-six million, seventy-one thousand, five hundred fifty-seven".