85461216460 has 24 divisors (see below), whose sum is σ = 190025529120. Its totient is φ = 32173634304.

The previous prime is 85461216389. The next prime is 85461216469. The reversal of 85461216460 is 6461216458.

It is not an unprimeable number, because it can be changed into a prime (85461216469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125677920 + ... + 125678599.

It is an arithmetic number, because the mean of its divisors is an integer number (7917730380).

Almost surely, 2^85461216460 is an apocalyptic number.

It is an amenable number.

85461216460 is an abundant number, since it is smaller than the sum of its proper divisors (104564312660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85461216460 is a wasteful number, since it uses less digits than its factorization.

85461216460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251356545 (or 251356543 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 85461216460 in words is "eighty-five billion, four hundred sixty-one million, two hundred sixteen thousand, four hundred sixty".