879873539 has 4 divisors (see below), whose sum is σ = 931630824. Its totient is φ = 828116256.

The previous prime is 879873529. The next prime is 879873541. The reversal of 879873539 is 935378978.

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

It is a cyclic number.

It is not a de Polignac number, because 879873539 - 2²⁴ = 863096323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879873509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25878617 + ... + 25878650.

It is an arithmetic number, because the mean of its divisors is an integer number (232907706).

Almost surely, 2^879873539 is an apocalyptic number.

879873539 is a deficient number, since it is larger than the sum of its proper divisors (51757285).

879873539 is a wasteful number, since it uses less digits than its factorization.

879873539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51757284.

The product of its digits is 11430720, while the sum is 59.

The square root of 879873539 is about 29662.6623720798. The cubic root of 879873539 is about 958.2380655963.

The spelling of 879873539 in words is "eight hundred seventy-nine million, eight hundred seventy-three thousand, five hundred thirty-nine".