85640462 has 16 divisors (see below), whose sum is σ = 131016912. Its totient is φ = 41973120.

The previous prime is 85640453. The next prime is 85640473. The reversal of 85640462 is 26404658.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40073 + ... + 42155.

It is an arithmetic number, because the mean of its divisors is an integer number (8188557).

Almost surely, 2^85640462 is an apocalyptic number.

85640462 is a deficient number, since it is larger than the sum of its proper divisors (45376450).

85640462 is a wasteful number, since it uses less digits than its factorization.

85640462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 85640462 is about 9254.2132026445. The cubic root of 85640462 is about 440.7845197917.

The spelling of 85640462 in words is "eighty-five million, six hundred forty thousand, four hundred sixty-two".