877232009 has 4 divisors (see below), whose sum is σ = 879522816. Its totient is φ = 874941204.

The previous prime is 877232003. The next prime is 877232087. The reversal of 877232009 is 900232778.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 877232009 - 2¹⁶ = 877166473 is a prime.

It is a super-2 number, since 2×877232009² = 1539071995228352162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (877232003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144829 + ... + 1145594.

It is an arithmetic number, because the mean of its divisors is an integer number (219880704).

Almost surely, 2^877232009 is an apocalyptic number.

It is an amenable number.

877232009 is a deficient number, since it is larger than the sum of its proper divisors (2290807).

877232009 is a wasteful number, since it uses less digits than its factorization.

877232009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290806.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 877232009 is about 29618.1027245163. The cubic root of 877232009 is about 957.2781731558.

The spelling of 877232009 in words is "eight hundred seventy-seven million, two hundred thirty-two thousand, nine".