957106861 has 4 divisors (see below), whose sum is σ = 982974652. Its totient is φ = 931239072.

The previous prime is 957106837. The next prime is 957106867. The reversal of 957106861 is 168601759.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 753502500 + 203604361 = 27450^2 + 14269^2 .

It is a cyclic number.

It is not a de Polignac number, because 957106861 - 2⁹ = 957106349 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 (957106867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12933840 + ... + 12933913.

It is an arithmetic number, because the mean of its divisors is an integer number (245743663).

Almost surely, 2^957106861 is an apocalyptic number.

It is an amenable number.

957106861 is a deficient number, since it is larger than the sum of its proper divisors (25867791).

957106861 is a wasteful number, since it uses less digits than its factorization.

957106861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25867790.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 957106861 is about 30937.1437110797. The cubic root of 957106861 is about 985.4928472315.

The spelling of 957106861 in words is "nine hundred fifty-seven million, one hundred six thousand, eight hundred sixty-one".