47495478786 has 32 divisors (see below), whose sum is σ = 108567818880. Its totient is φ = 13569296256.

The previous prime is 47495478769. The next prime is 47495478787. The reversal of 47495478786 is 68787459474.

It is a super-2 number, since 2×47495478786² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47495478786.

It is not an unprimeable number, because it can be changed into a prime (47495478787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037550 + ... + 1082358.

It is an arithmetic number, because the mean of its divisors is an integer number (3392744340).

Almost surely, 2^47495478786 is an apocalyptic number.

47495478786 is an abundant number, since it is smaller than the sum of its proper divisors (61072340094).

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

47495478786 is a wasteful number, since it uses less digits than its factorization.

47495478786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70058.

The product of its digits is 379330560, while the sum is 69.

The spelling of 47495478786 in words is "forty-seven billion, four hundred ninety-five million, four hundred seventy-eight thousand, seven hundred eighty-six".