969857807 has 2 divisors, whose sum is σ = 969857808. Its totient is φ = 969857806.

The previous prime is 969857797. The next prime is 969857809. The reversal of 969857807 is 708758969.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 969857807 - 2¹² = 969853711 is a prime.

Together with 969857809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969857809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484928903 + 484928904.

It is an arithmetic number, because the mean of its divisors is an integer number (484928904).

Almost surely, 2^969857807 is an apocalyptic number.

969857807 is a deficient number, since it is larger than the sum of its proper divisors (1).

969857807 is an equidigital number, since it uses as much as digits as its factorization.

969857807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The square root of 969857807 is about 31142.5401500905. The cubic root of 969857807 is about 989.8499269167.

The spelling of 969857807 in words is "nine hundred sixty-nine million, eight hundred fifty-seven thousand, eight hundred seven".