872209937 has 8 divisors (see below), whose sum is σ = 885298752. Its totient is φ = 859143600.

The previous prime is 872209931. The next prime is 872209957. The reversal of 872209937 is 739902278.

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 872209937 - 2⁶ = 872209873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 872209891 and 872209900.

It is not an unprimeable number, because it can be changed into a prime (872209931) 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, 82862 + ... + 92792.

It is an arithmetic number, because the mean of its divisors is an integer number (110662344).

Almost surely, 2^872209937 is an apocalyptic number.

It is an amenable number.

872209937 is a deficient number, since it is larger than the sum of its proper divisors (13088815).

872209937 is a wasteful number, since it uses less digits than its factorization.

872209937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11239.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 872209937 is about 29533.2005884902. The cubic root of 872209937 is about 955.4478996923.

The spelling of 872209937 in words is "eight hundred seventy-two million, two hundred nine thousand, nine hundred thirty-seven".