872930834 has 4 divisors (see below), whose sum is σ = 1309396254. Its totient is φ = 436465416.

The previous prime is 872930809. The next prime is 872930879. The reversal of 872930834 is 438039278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 828000625 + 44930209 = 28775^2 + 6703^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218232707 + ... + 218232710.

Almost surely, 2^872930834 is an apocalyptic number.

872930834 is a deficient number, since it is larger than the sum of its proper divisors (436465420).

872930834 is a wasteful number, since it uses less digits than its factorization.

872930834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436465419.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 872930834 is about 29545.4029249899. The cubic root of 872930834 is about 955.7110587551.

The spelling of 872930834 in words is "eight hundred seventy-two million, nine hundred thirty thousand, eight hundred thirty-four".