869480837 has 4 divisors (see below), whose sum is σ = 870078240. Its totient is φ = 868883436.

The previous prime is 869480779. The next prime is 869480903. The reversal of 869480837 is 738084968.

It is a happy number.

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 869480837 - 2²⁸ = 601045381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869480237) 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, 296513 + ... + 299430.

It is an arithmetic number, because the mean of its divisors is an integer number (217519560).

Almost surely, 2^869480837 is an apocalyptic number.

It is an amenable number.

869480837 is a deficient number, since it is larger than the sum of its proper divisors (597403).

869480837 is a wasteful number, since it uses less digits than its factorization.

869480837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597402.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 869480837 is about 29486.9604571241. The cubic root of 869480837 is about 954.4503427660.

The spelling of 869480837 in words is "eight hundred sixty-nine million, four hundred eighty thousand, eight hundred thirty-seven".