979407047 has 4 divisors (see below), whose sum is σ = 988074480. Its totient is φ = 970739616.

The previous prime is 979407031. The next prime is 979407061. The reversal of 979407047 is 740704979.

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 979407047 - 2⁴ = 979407031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 979406992 and 979407010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979407017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4333547 + ... + 4333772.

It is an arithmetic number, because the mean of its divisors is an integer number (247018620).

Almost surely, 2^979407047 is an apocalyptic number.

979407047 is a deficient number, since it is larger than the sum of its proper divisors (8667433).

979407047 is a wasteful number, since it uses less digits than its factorization.

979407047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667432.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 979407047 is about 31295.4796576119. The cubic root of 979407047 is about 993.0880168974.

The spelling of 979407047 in words is "nine hundred seventy-nine million, four hundred seven thousand, forty-seven".