867823145951 has 2 divisors, whose sum is σ = 867823145952. Its totient is φ = 867823145950.

The previous prime is 867823145939. The next prime is 867823145953. The reversal of 867823145951 is 159541328768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 867823145951 - 2⁶ = 867823145887 is a prime.

Together with 867823145953, 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 (867823145953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433911572975 + 433911572976.

It is an arithmetic number, because the mean of its divisors is an integer number (433911572976).

Almost surely, 2^867823145951 is an apocalyptic number.

867823145951 is a deficient number, since it is larger than the sum of its proper divisors (1).

867823145951 is an equidigital number, since it uses as much as digits as its factorization.

867823145951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 59.

The spelling of 867823145951 in words is "eight hundred sixty-seven billion, eight hundred twenty-three million, one hundred forty-five thousand, nine hundred fifty-one".