971679745 has 8 divisors (see below), whose sum is σ = 1166189184. Its totient is φ = 777228144.

The previous prime is 971679743. The next prime is 971679763. The reversal of 971679745 is 547976179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 971679745 - 2¹ = 971679743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971679743) 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 7 ways as a sum of consecutive naturals, for example, 43992 + ... + 62278.

It is an arithmetic number, because the mean of its divisors is an integer number (145773648).

Almost surely, 2^971679745 is an apocalyptic number.

It is an amenable number.

971679745 is a deficient number, since it is larger than the sum of its proper divisors (194509439).

971679745 is a wasteful number, since it uses less digits than its factorization.

971679745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28919.

The product of its digits is 3333960, while the sum is 55.

The square root of 971679745 is about 31171.7780211524. The cubic root of 971679745 is about 990.4693706694.

The spelling of 971679745 in words is "nine hundred seventy-one million, six hundred seventy-nine thousand, seven hundred forty-five".