872830683434 has 4 divisors (see below), whose sum is σ = 1309246025154. Its totient is φ = 436415341716.

The previous prime is 872830683419. The next prime is 872830683451. The reversal of 872830683434 is 434386038278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434386038278 = 2 ⋅217193019139.

It can be written as a sum of positive squares in only one way, i.e., 824186175409 + 48644508025 = 907847^2 + 220555^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 872830683434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218207670857 + ... + 218207670860.

Almost surely, 2^872830683434 is an apocalyptic number.

872830683434 is a deficient number, since it is larger than the sum of its proper divisors (436415341720).

872830683434 is a wasteful number, since it uses less digits than its factorization.

872830683434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436415341719.

The product of its (nonzero) digits is 18579456, while the sum is 56.

The spelling of 872830683434 in words is "eight hundred seventy-two billion, eight hundred thirty million, six hundred eighty-three thousand, four hundred thirty-four".