85073567 has 2 divisors, whose sum is σ = 85073568. Its totient is φ = 85073566.

The previous prime is 85073563. The next prime is 85073591. The reversal of 85073567 is 76537058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85073567 - 2² = 85073563 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85073561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42536783 + 42536784.

It is an arithmetic number, because the mean of its divisors is an integer number (42536784).

Almost surely, 2^85073567 is an apocalyptic number.

85073567 is a deficient number, since it is larger than the sum of its proper divisors (1).

85073567 is an equidigital number, since it uses as much as digits as its factorization.

85073567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 85073567 is about 9223.5333251417. The cubic root of 85073567 is about 439.8097783120.

The spelling of 85073567 in words is "eighty-five million, seventy-three thousand, five hundred sixty-seven".