86570673351766 has 32 divisors (see below), whose sum is σ = 139943140005888. Its totient is φ = 40047667513920.

The previous prime is 86570673351749. The next prime is 86570673351769. The reversal of 86570673351766 is 66715337607568.

It is a super-4 number, since 4×86570673351766⁴ (a number of 57 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 86570673351695 and 86570673351704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86570673351769) 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, 12388476 + ... + 18072511.

It is an arithmetic number, because the mean of its divisors is an integer number (4373223125184).

Almost surely, 2^{86570673351766} is an apocalyptic number.

86570673351766 is a deficient number, since it is larger than the sum of its proper divisors (53372466654122).

86570673351766 is a wasteful number, since it uses less digits than its factorization.

86570673351766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30463036.

The product of its (nonzero) digits is 800150400, while the sum is 70.

The spelling of 86570673351766 in words is "eighty-six trillion, five hundred seventy billion, six hundred seventy-three million, three hundred fifty-one thousand, seven hundred sixty-six".