873406880 has 24 divisors (see below), whose sum is σ = 2063424132. Its totient is φ = 349362688.

The previous prime is 873406879. The next prime is 873406903. The reversal of 873406880 is 88604378.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 822312976 + 51093904 = 28676^2 + 7148^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2729237 + ... + 2729556.

Almost surely, 2^873406880 is an apocalyptic number.

873406880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

873406880 is an abundant number, since it is smaller than the sum of its proper divisors (1190017252).

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

873406880 is a wasteful number, since it uses less digits than its factorization.

873406880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458808 (or 5458800 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 873406880 is about 29553.4580040983. The cubic root of 873406880 is about 955.8847570332.

The spelling of 873406880 in words is "eight hundred seventy-three million, four hundred six thousand, eight hundred eighty".