85465791 has 12 divisors (see below), whose sum is σ = 127433280. Its totient is φ = 55139040.

The previous prime is 85465789. The next prime is 85465799. The reversal of 85465791 is 19756458.

It is not a de Polignac number, because 85465791 - 2¹ = 85465789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85465799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152886 + ... + 153443.

It is an arithmetic number, because the mean of its divisors is an integer number (10619440).

Almost surely, 2^85465791 is an apocalyptic number.

85465791 is a deficient number, since it is larger than the sum of its proper divisors (41967489).

85465791 is a wasteful number, since it uses less digits than its factorization.

85465791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306366 (or 306363 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 85465791 is about 9244.7710085215. The cubic root of 85465791 is about 440.4846433293.

The spelling of 85465791 in words is "eighty-five million, four hundred sixty-five thousand, seven hundred ninety-one".