979807071 has 16 divisors (see below), whose sum is σ = 1329130208. Its totient is φ = 641865600.

The previous prime is 979807057. The next prime is 979807091. The reversal of 979807071 is 170708979.

It is not a de Polignac number, because 979807071 - 2⁵ = 979807039 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 979807071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979807001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250785 + ... + 254661.

It is an arithmetic number, because the mean of its divisors is an integer number (83070638).

Almost surely, 2^979807071 is an apocalyptic number.

979807071 is a deficient number, since it is larger than the sum of its proper divisors (349323137).

979807071 is a wasteful number, since it uses less digits than its factorization.

979807071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322.

The product of its (nonzero) digits is 222264, while the sum is 48.

The square root of 979807071 is about 31301.8700879037. The cubic root of 979807071 is about 993.2232024227.

The spelling of 979807071 in words is "nine hundred seventy-nine million, eight hundred seven thousand, seventy-one".