825078167 has 2 divisors, whose sum is σ = 825078168. Its totient is φ = 825078166.

The previous prime is 825078143. The next prime is 825078169. The reversal of 825078167 is 761870528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825078167 - 2¹⁶ = 825012631 is a prime.

Together with 825078169, 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 (825078169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412539083 + 412539084.

It is an arithmetic number, because the mean of its divisors is an integer number (412539084).

Almost surely, 2^825078167 is an apocalyptic number.

825078167 is a deficient number, since it is larger than the sum of its proper divisors (1).

825078167 is an equidigital number, since it uses as much as digits as its factorization.

825078167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 825078167 is about 28724.1739132738. The cubic root of 825078167 is about 937.9183477372.

The spelling of 825078167 in words is "eight hundred twenty-five million, seventy-eight thousand, one hundred sixty-seven".