8705979 has 12 divisors (see below), whose sum is σ = 12601056. Its totient is φ = 5792112.

The previous prime is 8705969. The next prime is 8705999. The reversal of 8705979 is 9795078.

It is not a de Polignac number, because 8705979 - 2⁹ = 8705467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8705959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7342 + ... + 8444.

It is an arithmetic number, because the mean of its divisors is an integer number (1050088).

Almost surely, 2^8705979 is an apocalyptic number.

8705979 is a deficient number, since it is larger than the sum of its proper divisors (3895077).

8705979 is a wasteful number, since it uses less digits than its factorization.

8705979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 8705979 is about 2950.5896020965. The cubic root of 8705979 is about 205.7181160414.

The spelling of 8705979 in words is "eight million, seven hundred five thousand, nine hundred seventy-nine".