85454864506 has 16 divisors (see below), whose sum is σ = 142205323680. Its totient is φ = 38184761680.

The previous prime is 85454864503. The next prime is 85454864519. The reversal of 85454864506 is 60546845458.

It is not an unprimeable number, because it can be changed into a prime (85454864501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32916601 + ... + 32919196.

It is an arithmetic number, because the mean of its divisors is an integer number (8887832730).

Almost surely, 2^85454864506 is an apocalyptic number.

85454864506 is a deficient number, since it is larger than the sum of its proper divisors (56750459174).

85454864506 is a wasteful number, since it uses less digits than its factorization.

85454864506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65835869.

The product of its (nonzero) digits is 18432000, while the sum is 55.

The spelling of 85454864506 in words is "eighty-five billion, four hundred fifty-four million, eight hundred sixty-four thousand, five hundred six".