867928245979 has 4 divisors (see below), whose sum is σ = 874762326784. Its totient is φ = 861094165176.

The previous prime is 867928245967. The next prime is 867928245997. The reversal of 867928245979 is 979542829768.

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 867928245979 - 2⁷ = 867928245851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867928045979) 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, 3417040212 + ... + 3417040465.

It is an arithmetic number, because the mean of its divisors is an integer number (218690581696).

Almost surely, 2^867928245979 is an apocalyptic number.

867928245979 is a deficient number, since it is larger than the sum of its proper divisors (6834080805).

867928245979 is a wasteful number, since it uses less digits than its factorization.

867928245979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834080804.

The product of its digits is 1097349120, while the sum is 76.

The spelling of 867928245979 in words is "eight hundred sixty-seven billion, nine hundred twenty-eight million, two hundred forty-five thousand, nine hundred seventy-nine".