85034791 has 2 divisors, whose sum is σ = 85034792. Its totient is φ = 85034790.

The previous prime is 85034777. The next prime is 85034813. The reversal of 85034791 is 19743058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85034791 - 2¹⁷ = 84903719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85034791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85034701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42517395 + 42517396.

It is an arithmetic number, because the mean of its divisors is an integer number (42517396).

Almost surely, 2^85034791 is an apocalyptic number.

85034791 is a deficient number, since it is larger than the sum of its proper divisors (1).

85034791 is an equidigital number, since it uses as much as digits as its factorization.

85034791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 85034791 is about 9221.4310711516. The cubic root of 85034791 is about 439.7429473081.

The spelling of 85034791 in words is "eighty-five million, thirty-four thousand, seven hundred ninety-one".