671530770715 has 16 divisors (see below), whose sum is σ = 921593014272. Its totient is φ = 460159978464.

The previous prime is 671530770683. The next prime is 671530770721. The reversal of 671530770715 is 517077035176.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 671530770715 - 2⁵ = 671530770683 is a prime.

It is a super-2 number, since 2×671530770715² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 6579139 + ... + 6680428.

It is an arithmetic number, because the mean of its divisors is an integer number (57599563392).

Almost surely, 2^671530770715 is an apocalyptic number.

671530770715 is a deficient number, since it is larger than the sum of its proper divisors (250062243557).

671530770715 is a wasteful number, since it uses less digits than its factorization.

671530770715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13261026.

The product of its (nonzero) digits is 1080450, while the sum is 49.

The spelling of 671530770715 in words is "six hundred seventy-one billion, five hundred thirty million, seven hundred seventy thousand, seven hundred fifteen".