879134786 has 4 divisors (see below), whose sum is σ = 1318702182. Its totient is φ = 439567392.

The previous prime is 879134783. The next prime is 879134873. The reversal of 879134786 is 687431978.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 687431978 = 2 ⋅343715989.

It can be written as a sum of positive squares in only one way, i.e., 752459761 + 126675025 = 27431^2 + 11255^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (879134783) by changing a digit.

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 as a sum of consecutive naturals, namely, 219783695 + ... + 219783698.

Almost surely, 2^879134786 is an apocalyptic number.

879134786 is a deficient number, since it is larger than the sum of its proper divisors (439567396).

879134786 is a wasteful number, since it uses less digits than its factorization.

879134786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439567395.

The product of its digits is 2032128, while the sum is 53.

The square root of 879134786 is about 29650.2071830873. The cubic root of 879134786 is about 957.9698075541.

The spelling of 879134786 in words is "eight hundred seventy-nine million, one hundred thirty-four thousand, seven hundred eighty-six".