872206769 has 8 divisors (see below), whose sum is σ = 997396800. Its totient is φ = 747164016.

The previous prime is 872206763. The next prime is 872206787. The reversal of 872206769 is 967602278.

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 872206769 - 2¹² = 872202673 is a prime.

It is a super-2 number, since 2×872206769² = 1521489295778838722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872206763) 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, 23819 + ... + 48080.

It is an arithmetic number, because the mean of its divisors is an integer number (124674600).

Almost surely, 2^872206769 is an apocalyptic number.

It is an amenable number.

872206769 is a deficient number, since it is larger than the sum of its proper divisors (125190031).

872206769 is a wasteful number, since it uses less digits than its factorization.

872206769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73639.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 872206769 is about 29533.1469538889. The cubic root of 872206769 is about 955.4467429132.

The spelling of 872206769 in words is "eight hundred seventy-two million, two hundred six thousand, seven hundred sixty-nine".