873469278 has 32 divisors (see below), whose sum is σ = 2117502720. Its totient is φ = 264687480.

The previous prime is 873469271. The next prime is 873469279. The reversal of 873469278 is 872964378.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873469271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734650 + ... + 735837.

It is an arithmetic number, because the mean of its divisors is an integer number (66171960).

Almost surely, 2^873469278 is an apocalyptic number.

873469278 is an abundant number, since it is smaller than the sum of its proper divisors (1244033442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873469278 is a wasteful number, since it uses less digits than its factorization.

873469278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470509 (or 1470503 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 873469278 is about 29554.5136654285. The cubic root of 873469278 is about 955.9075199547.

The spelling of 873469278 in words is "eight hundred seventy-three million, four hundred sixty-nine thousand, two hundred seventy-eight".