85811517628476 has 48 divisors (see below), whose sum is σ = 203760149222784. Its totient is φ = 28101374807616.

The previous prime is 85811517628429. The next prime is 85811517628481. The reversal of 85811517628476 is 67482671511858.

It is a super-2 number, since 2×85811517628476² (a number of 29 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 85811517628476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142770810 + ... + 143370593.

It is an arithmetic number, because the mean of its divisors is an integer number (4245003108808).

Almost surely, 2^{85811517628476} is an apocalyptic number.

It is an amenable number.

85811517628476 is an abundant number, since it is smaller than the sum of its proper divisors (117948631594308).

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

85811517628476 is a wasteful number, since it uses less digits than its factorization.

85811517628476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286141850 (or 286141848 counting only the distinct ones).

The product of its digits is 180633600, while the sum is 69.

The spelling of 85811517628476 in words is "eighty-five trillion, eight hundred eleven billion, five hundred seventeen million, six hundred twenty-eight thousand, four hundred seventy-six".