872572867348566 has 8 divisors (see below), whose sum is σ = 1745145734697144. Its totient is φ = 290857622449520.

The previous prime is 872572867348561. The next prime is 872572867348571. The reversal of 872572867348566 is 665843768275278.

It is an interprime number because it is at equal distance from previous prime (872572867348561) and next prime (872572867348571).

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

872572867348566 is an admirable number.

It is a super-2 number, since 2×872572867348566² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872572867348561) 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, 72714405612375 + ... + 72714405612386.

It is an arithmetic number, because the mean of its divisors is an integer number (218143216837143).

Almost surely, 2^{872572867348566} is an apocalyptic number.

872572867348566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872572867348566 is a wasteful number, since it uses less digits than its factorization.

872572867348566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145428811224766.

The product of its digits is 45519667200, while the sum is 84.

The spelling of 872572867348566 in words is "eight hundred seventy-two trillion, five hundred seventy-two billion, eight hundred sixty-seven million, three hundred forty-eight thousand, five hundred sixty-six".