8212865736873 has 8 divisors (see below), whose sum is σ = 12514843027648. Its totient is φ = 4693066135344.

The previous prime is 8212865736863. The next prime is 8212865736899. The reversal of 8212865736873 is 3786375682128.

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

It is not a de Polignac number, because 8212865736873 - 2⁸ = 8212865736617 is a prime.

It is a super-2 number, since 2×8212865736873² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8212865736863) 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, 195544422286 + ... + 195544422327.

It is an arithmetic number, because the mean of its divisors is an integer number (1564355378456).

Almost surely, 2^{8212865736873} is an apocalyptic number.

It is an amenable number.

8212865736873 is a deficient number, since it is larger than the sum of its proper divisors (4301977290775).

8212865736873 is a wasteful number, since it uses less digits than its factorization.

8212865736873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391088844623.

The product of its digits is 162570240, while the sum is 66.

The spelling of 8212865736873 in words is "eight trillion, two hundred twelve billion, eight hundred sixty-five million, seven hundred thirty-six thousand, eight hundred seventy-three".