85471701 has 16 divisors (see below), whose sum is σ = 130598400. Its totient is φ = 48707568.

The previous prime is 85471693. The next prime is 85471777. The reversal of 85471701 is 10717458.

It is not a de Polignac number, because 85471701 - 2³ = 85471693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85471781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2590 + ... + 13328.

It is an arithmetic number, because the mean of its divisors is an integer number (8162400).

Almost surely, 2^85471701 is an apocalyptic number.

It is an amenable number.

85471701 is a deficient number, since it is larger than the sum of its proper divisors (45126699).

85471701 is a wasteful number, since it uses less digits than its factorization.

85471701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11128.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 85471701 is about 9245.0906431468. The cubic root of 85471701 is about 440.4947963360.

The spelling of 85471701 in words is "eighty-five million, four hundred seventy-one thousand, seven hundred one".