85469315471 has 4 divisors (see below), whose sum is σ = 85484208744. Its totient is φ = 85454422200.

The previous prime is 85469315419. The next prime is 85469315473. The reversal of 85469315471 is 17451396458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85469315471 - 2¹⁴ = 85469299087 is a prime.

It is a super-3 number, since 3×85469315471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85469315473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7438025 + ... + 7449506.

It is an arithmetic number, because the mean of its divisors is an integer number (21371052186).

Almost surely, 2^85469315471 is an apocalyptic number.

85469315471 is a deficient number, since it is larger than the sum of its proper divisors (14893273).

85469315471 is a wasteful number, since it uses less digits than its factorization.

85469315471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14893272.

The product of its digits is 3628800, while the sum is 53.

The spelling of 85469315471 in words is "eighty-five billion, four hundred sixty-nine million, three hundred fifteen thousand, four hundred seventy-one".