971194768 has 20 divisors (see below), whose sum is σ = 1992378060. Its totient is φ = 457032704.

The previous prime is 971194733. The next prime is 971194769. The reversal of 971194768 is 867491179.

It can be written as a sum of positive squares in 2 ways, for example, as 649638144 + 321556624 = 25488^2 + 17932^2 .

It is not an unprimeable number, because it can be changed into a prime (971194769) 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, 1785013 + ... + 1785556.

It is an arithmetic number, because the mean of its divisors is an integer number (99618903).

Almost surely, 2^971194768 is an apocalyptic number.

It is an amenable number.

971194768 is an abundant number, since it is smaller than the sum of its proper divisors (1021183292).

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

971194768 is a wasteful number, since it uses less digits than its factorization.

971194768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570594 (or 3570588 counting only the distinct ones).

The product of its digits is 762048, while the sum is 52.

The square root of 971194768 is about 31163.9979463483. The cubic root of 971194768 is about 990.3045582040.

The spelling of 971194768 in words is "nine hundred seventy-one million, one hundred ninety-four thousand, seven hundred sixty-eight".