47821317415879 has 16 divisors (see below), whose sum is σ = 59084253184000. Its totient is φ = 37782825054624.

The previous prime is 47821317415873. The next prime is 47821317415897. The reversal of 47821317415879 is 97851471312874.

It is a cyclic number.

It is not a de Polignac number, because 47821317415879 - 2³⁹ = 47271561601991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47821317415873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4858897479 + ... + 4858907320.

It is an arithmetic number, because the mean of its divisors is an integer number (3692765824000).

Almost surely, 2^{47821317415879} is an apocalyptic number.

47821317415879 is a deficient number, since it is larger than the sum of its proper divisors (11262935768121).

47821317415879 is a wasteful number, since it uses less digits than its factorization.

47821317415879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717804862.

The product of its digits is 94832640, while the sum is 67.

The spelling of 47821317415879 in words is "forty-seven trillion, eight hundred twenty-one billion, three hundred seventeen million, four hundred fifteen thousand, eight hundred seventy-nine".