85470534997964 has 96 divisors (see below), whose sum is σ = 166177917480960. Its totient is φ = 38278890316800.

The previous prime is 85470534997963. The next prime is 85470534997997. The reversal of 85470534997964 is 46979943507458.

It is not an unprimeable number, because it can be changed into a prime (85470534997963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642728609 + ... + 642861575.

It is an arithmetic number, because the mean of its divisors is an integer number (1731019973760).

Almost surely, 2^{85470534997964} is an apocalyptic number.

It is an amenable number.

85470534997964 is a deficient number, since it is larger than the sum of its proper divisors (80707382482996).

85470534997964 is a wasteful number, since it uses less digits than its factorization.

85470534997964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137679 (or 137677 counting only the distinct ones).

The product of its (nonzero) digits is 8230118400, while the sum is 80.

The spelling of 85470534997964 in words is "eighty-five trillion, four hundred seventy billion, five hundred thirty-four million, nine hundred ninety-seven thousand, nine hundred sixty-four".