872915307266 has 4 divisors (see below), whose sum is σ = 1309372960902. Its totient is φ = 436457653632.

The previous prime is 872915307259. The next prime is 872915307307. The reversal of 872915307266 is 662703519278.

872915307266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 812855512225 + 60059795041 = 901585^2 + 245071^2 .

It is a super-2 number, since 2×872915307266² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218228826815 + ... + 218228826818.

Almost surely, 2^872915307266 is an apocalyptic number.

872915307266 is a deficient number, since it is larger than the sum of its proper divisors (436457653636).

872915307266 is a wasteful number, since it uses less digits than its factorization.

872915307266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436457653635.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 872915307266 in words is "eight hundred seventy-two billion, nine hundred fifteen million, three hundred seven thousand, two hundred sixty-six".