971386255 has 16 divisors (see below), whose sum is σ = 1390109184. Its totient is φ = 637132320.

The previous prime is 971386237. The next prime is 971386259. The reversal of 971386255 is 552683179.

It is not a de Polignac number, because 971386255 - 2⁵ = 971386223 is a prime.

It is a super-3 number, since 3×971386255³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971386259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602541 + ... + 604150.

It is an arithmetic number, because the mean of its divisors is an integer number (86881824).

Almost surely, 2^971386255 is an apocalyptic number.

971386255 is a deficient number, since it is larger than the sum of its proper divisors (418722929).

971386255 is a wasteful number, since it uses less digits than its factorization.

971386255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206726.

The product of its digits is 453600, while the sum is 46.

The square root of 971386255 is about 31167.0700419529. The cubic root of 971386255 is about 990.3696388633.

The spelling of 971386255 in words is "nine hundred seventy-one million, three hundred eighty-six thousand, two hundred fifty-five".