971417895157 has 16 divisors (see below), whose sum is σ = 1023825374208. Its totient is φ = 919904135040.

The previous prime is 971417895083. The next prime is 971417895169. The reversal of 971417895157 is 751598714179.

It is a cyclic number.

It is not a de Polignac number, because 971417895157 - 2³⁵ = 937058156789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971417895197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405153 + ... + 1451545.

It is an arithmetic number, because the mean of its divisors is an integer number (63989085888).

Almost surely, 2^971417895157 is an apocalyptic number.

It is an amenable number.

971417895157 is a deficient number, since it is larger than the sum of its proper divisors (52407479051).

971417895157 is a wasteful number, since it uses less digits than its factorization.

971417895157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046820.

The product of its digits is 22226400, while the sum is 64.

The spelling of 971417895157 in words is "nine hundred seventy-one billion, four hundred seventeen million, eight hundred ninety-five thousand, one hundred fifty-seven".