872206734871 has 8 divisors (see below), whose sum is σ = 877279313664. Its totient is φ = 867134511840.

The previous prime is 872206734869. The next prime is 872206734907. The reversal of 872206734871 is 178437602278.

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

It is a cyclic number.

It is not a de Polignac number, because 872206734871 - 2¹ = 872206734869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872206734811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6059466 + ... + 6201736.

It is an arithmetic number, because the mean of its divisors is an integer number (109659914208).

Almost surely, 2^872206734871 is an apocalyptic number.

872206734871 is a deficient number, since it is larger than the sum of its proper divisors (5072578793).

872206734871 is a wasteful number, since it uses less digits than its factorization.

872206734871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177881.

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 872206734871 in words is "eight hundred seventy-two billion, two hundred six million, seven hundred thirty-four thousand, eight hundred seventy-one".