85034476481 has 2 divisors, whose sum is σ = 85034476482. Its totient is φ = 85034476480.

The previous prime is 85034476463. The next prime is 85034476511. The reversal of 85034476481 is 18467443058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84666450625 + 368025856 = 290975^2 + 19184^2 .

It is a cyclic number.

It is not a de Polignac number, because 85034476481 - 2²² = 85030282177 is a prime.

It is a super-2 number, since 2×85034476481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85034476411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42517238240 + 42517238241.

It is an arithmetic number, because the mean of its divisors is an integer number (42517238241).

Almost surely, 2^85034476481 is an apocalyptic number.

It is an amenable number.

85034476481 is a deficient number, since it is larger than the sum of its proper divisors (1).

85034476481 is an equidigital number, since it uses as much as digits as its factorization.

85034476481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 85034476481 in words is "eighty-five billion, thirty-four million, four hundred seventy-six thousand, four hundred eighty-one".