872444761 has 8 divisors (see below), whose sum is σ = 879693440. Its totient is φ = 865217808.

The previous prime is 872444737. The next prime is 872444773. The reversal of 872444761 is 167444278.

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 872444761 - 2⁹ = 872444249 is a prime.

It is a super-2 number, since 2×872444761² = 1522319721992694242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872444701) 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, 80800 + ... + 90958.

It is an arithmetic number, because the mean of its divisors is an integer number (109961680).

Almost surely, 2^872444761 is an apocalyptic number.

It is an amenable number.

872444761 is a deficient number, since it is larger than the sum of its proper divisors (7248679).

872444761 is a wasteful number, since it uses less digits than its factorization.

872444761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10863.

The product of its digits is 301056, while the sum is 43.

The square root of 872444761 is about 29537.1759144303. The cubic root of 872444761 is about 955.5336366830.

The spelling of 872444761 in words is "eight hundred seventy-two million, four hundred forty-four thousand, seven hundred sixty-one".