872776 has 8 divisors (see below), whose sum is σ = 1636470. Its totient is φ = 436384.

The previous prime is 872761. The next prime is 872789. The reversal of 872776 is 677278.

It can be written as a sum of positive squares in only one way, i.e., 763876 + 108900 = 874^2 + 330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54541 + ... + 54556.

2⁸⁷²⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

872776 is a deficient number, since it is larger than the sum of its proper divisors (763694).

872776 is a wasteful number, since it uses less digits than its factorization.

872776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109103 (or 109099 counting only the distinct ones).

The product of its digits is 32928, while the sum is 37.

The square root of 872776 is about 934.2248123444. The cubic root of 872776 is about 95.5654549766.

The spelling of 872776 in words is "eight hundred seventy-two thousand, seven hundred seventy-six".