85064477 has 2 divisors, whose sum is σ = 85064478. Its totient is φ = 85064476.

The previous prime is 85064471. The next prime is 85064513. The reversal of 85064477 is 77446058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85026841 + 37636 = 9221^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 85064477 - 2²⁰ = 84015901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85064471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42532238 + 42532239.

It is an arithmetic number, because the mean of its divisors is an integer number (42532239).

Almost surely, 2^85064477 is an apocalyptic number.

It is an amenable number.

85064477 is a deficient number, since it is larger than the sum of its proper divisors (1).

85064477 is an equidigital number, since it uses as much as digits as its factorization.

85064477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 85064477 is about 9223.0405507078. The cubic root of 85064477 is about 439.7941133865.

The spelling of 85064477 in words is "eighty-five million, sixty-four thousand, four hundred seventy-seven".