671056335120247 has 8 divisors (see below), whose sum is σ = 706378334673200. Its totient is φ = 635734660074624.

The previous prime is 671056335120217. The next prime is 671056335120307. The reversal of 671056335120247 is 742021533650176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671056335120247 - 2²⁷ = 671056200902519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671056335120194 and 671056335120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671056335120217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76876428 + ... + 85159249.

It is an arithmetic number, because the mean of its divisors is an integer number (88297291834150).

Almost surely, 2^{671056335120247} is an apocalyptic number.

671056335120247 is a deficient number, since it is larger than the sum of its proper divisors (35321999552953).

671056335120247 is a wasteful number, since it uses less digits than its factorization.

671056335120247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162253665.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 671056335120247 in words is "six hundred seventy-one trillion, fifty-six billion, three hundred thirty-five million, one hundred twenty thousand, two hundred forty-seven".