873997776 has 100 divisors (see below), whose sum is σ = 2536021092. Its totient is φ = 290594304.

The previous prime is 873997763. The next prime is 873997811. The reversal of 873997776 is 677799378.

It can be written as a sum of positive squares in 2 ways, for example, as 458816400 + 415181376 = 21420^2 + 20376^2 .

It is a super-2 number, since 2×873997776² = 1527744224905892352, which contains 22 as substring.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 799086 + ... + 800178.

Almost surely, 2^873997776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873997776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268010546).

873997776 is an abundant number, since it is smaller than the sum of its proper divisors (1662023316).

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

873997776 is a wasteful number, since it uses less digits than its factorization.

873997776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1715 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 63.

The square root of 873997776 is about 29563.4533842040. The cubic root of 873997776 is about 956.1002736741.

The spelling of 873997776 in words is "eight hundred seventy-three million, nine hundred ninety-seven thousand, seven hundred seventy-six".