85217296104 has 80 divisors (see below), whose sum is σ = 240877325700. Its totient is φ = 28145138688.

The previous prime is 85217296103. The next prime is 85217296121. The reversal of 85217296104 is 40169271258.

85217296104 is a `hidden beast` number, since 8 + 5 + 2 + 1 + 7 + 29 + 610 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 83411216100 + 1806080004 = 288810^2 + 42498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85217296104.

It is not an unprimeable number, because it can be changed into a prime (85217296103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 532617 + ... + 673880.

Almost surely, 2^85217296104 is an apocalyptic number.

It is an amenable number.

85217296104 is an abundant number, since it is smaller than the sum of its proper divisors (155660029596).

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

85217296104 is a wasteful number, since it uses less digits than its factorization.

85217296104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206624 (or 1206611 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 85217296104 in words is "eighty-five billion, two hundred seventeen million, two hundred ninety-six thousand, one hundred four".