47314777315721 has 4 divisors (see below), whose sum is σ = 47552540016000. Its totient is φ = 47077014615444.

The previous prime is 47314777315661. The next prime is 47314777315733. The reversal of 47314777315721 is 12751377741374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47314777315721 - 2¹⁰ = 47314777314697 is a prime.

It is a super-2 number, since 2×47314777315721² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47314777315321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118881349841 + ... + 118881350238.

It is an arithmetic number, because the mean of its divisors is an integer number (11888135004000).

Almost surely, 2^{47314777315721} is an apocalyptic number.

It is an amenable number.

47314777315721 is a deficient number, since it is larger than the sum of its proper divisors (237762700279).

47314777315721 is a wasteful number, since it uses less digits than its factorization.

47314777315721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237762700278.

The product of its digits is 24202080, while the sum is 59.

The spelling of 47314777315721 in words is "forty-seven trillion, three hundred fourteen billion, seven hundred seventy-seven million, three hundred fifteen thousand, seven hundred twenty-one".