85854534660 has 96 divisors (see below), whose sum is σ = 267157094400. Its totient is φ = 22889905920.

The previous prime is 85854534653. The next prime is 85854534707. The reversal of 85854534660 is 6643545858.

85854534660 is a `hidden beast` number, since 8 + 5 + 8 + 545 + 34 + 6 + 60 = 666.

It is a super-2 number, since 2×85854534660² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 85854534597 and 85854534606.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3275005 + ... + 3301115.

It is an arithmetic number, because the mean of its divisors is an integer number (2782886400).

Almost surely, 2^85854534660 is an apocalyptic number.

It is an amenable number.

85854534660 is an abundant number, since it is smaller than the sum of its proper divisors (181302559740).

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

85854534660 is a wasteful number, since it uses less digits than its factorization.

85854534660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32218 (or 32210 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 85854534660 in words is "eighty-five billion, eight hundred fifty-four million, five hundred thirty-four thousand, six hundred sixty".