970856940811 has 4 divisors (see below), whose sum is σ = 989174996352. Its totient is φ = 952538885272.

The previous prime is 970856940791. The next prime is 970856940827. The reversal of 970856940811 is 118049658079.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 970856940811 - 2¹⁷ = 970856809739 is a prime.

It is a Smith number, since the sum of its digits (58) 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 not an unprimeable number, because it can be changed into a prime (970856940881) 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 3 ways as a sum of consecutive naturals, for example, 9159027691 + ... + 9159027796.

It is an arithmetic number, because the mean of its divisors is an integer number (247293749088).

Almost surely, 2^970856940811 is an apocalyptic number.

970856940811 is a deficient number, since it is larger than the sum of its proper divisors (18318055541).

970856940811 is a wasteful number, since it uses less digits than its factorization.

970856940811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318055540.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 970856940811 in words is "nine hundred seventy billion, eight hundred fifty-six million, nine hundred forty thousand, eight hundred eleven".