85051810474 has 8 divisors (see below), whose sum is σ = 127584138528. Its totient is φ = 42523764300.

The previous prime is 85051810471. The next prime is 85051810507. The reversal of 85051810474 is 47401815058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85051810474² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85051810474.

It is not an unprimeable number, because it can be changed into a prime (85051810471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020342 + ... + 1100545.

It is an arithmetic number, because the mean of its divisors is an integer number (15948017316).

Almost surely, 2^85051810474 is an apocalyptic number.

85051810474 is a deficient number, since it is larger than the sum of its proper divisors (42532328054).

85051810474 is a wasteful number, since it uses less digits than its factorization.

85051810474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140940.

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 85051810474 in words is "eighty-five billion, fifty-one million, eight hundred ten thousand, four hundred seventy-four".