85517061377886 has 24 divisors (see below), whose sum is σ = 185287377483000. Its totient is φ = 28505623869936.

The previous prime is 85517061377857. The next prime is 85517061377897. The reversal of 85517061377886 is 68877316071558.

85517061377886 is a `hidden beast` number, since 8 + 5 + 5 + 170 + 6 + 1 + 377 + 8 + 86 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3456021 + ... + 13526943.

It is an arithmetic number, because the mean of its divisors is an integer number (7720307395125).

Almost surely, 2^{85517061377886} is an apocalyptic number.

85517061377886 is an abundant number, since it is smaller than the sum of its proper divisors (99770316105114).

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

85517061377886 is a wasteful number, since it uses less digits than its factorization.

85517061377886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10542680 (or 10542677 counting only the distinct ones).

The product of its (nonzero) digits is 474163200, while the sum is 72.

The spelling of 85517061377886 in words is "eighty-five trillion, five hundred seventeen billion, sixty-one million, three hundred seventy-seven thousand, eight hundred eighty-six".