85464687 has 32 divisors (see below), whose sum is σ = 142571520. Its totient is φ = 44241120.

The previous prime is 85464671. The next prime is 85464689. The reversal of 85464687 is 78646458.

It is not a de Polignac number, because 85464687 - 2⁴ = 85464671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85464689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96348 + ... + 97230.

It is an arithmetic number, because the mean of its divisors is an integer number (4455360).

Almost surely, 2^85464687 is an apocalyptic number.

85464687 is a deficient number, since it is larger than the sum of its proper divisors (57106833).

85464687 is a wasteful number, since it uses less digits than its factorization.

85464687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323.

The product of its digits is 1290240, while the sum is 48.

The square root of 85464687 is about 9244.7112988995. The cubic root of 85464687 is about 440.4827466752.

The spelling of 85464687 in words is "eighty-five million, four hundred sixty-four thousand, six hundred eighty-seven".