879209722 has 4 divisors (see below), whose sum is σ = 1318814586. Its totient is φ = 439604860.

The previous prime is 879209719. The next prime is 879209741. The reversal of 879209722 is 227902978.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227902978 = 2 ⋅113951489.

It can be written as a sum of positive squares in only one way, i.e., 506295001 + 372914721 = 22501^2 + 19311^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219802429 + ... + 219802432.

Almost surely, 2^879209722 is an apocalyptic number.

879209722 is a deficient number, since it is larger than the sum of its proper divisors (439604864).

879209722 is a wasteful number, since it uses less digits than its factorization.

879209722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439604863.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 879209722 is about 29651.4708235528. The cubic root of 879209722 is about 957.9970253698.

The spelling of 879209722 in words is "eight hundred seventy-nine million, two hundred nine thousand, seven hundred twenty-two".