971498380686 has 16 divisors (see below), whose sum is σ = 1947382763904. Its totient is φ = 323101793144.

The previous prime is 971498380679. The next prime is 971498380753. The reversal of 971498380686 is 686083894179.

971498380686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 971498380686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182747226 + ... + 182752541.

It is an arithmetic number, because the mean of its divisors is an integer number (121711422744).

Almost surely, 2^971498380686 is an apocalyptic number.

971498380686 is an abundant number, since it is smaller than the sum of its proper divisors (975884383218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971498380686 is a wasteful number, since it uses less digits than its factorization.

971498380686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365500215.

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 971498380686 in words is "nine hundred seventy-one billion, four hundred ninety-eight million, three hundred eighty thousand, six hundred eighty-six".