84085771854086 has 16 divisors (see below), whose sum is σ = 129414374958960. Its totient is φ = 40950970811520.

The previous prime is 84085771854041. The next prime is 84085771854089. The reversal of 84085771854086 is 68045817758048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84085771854089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830935016 + ... + 831036203.

It is an arithmetic number, because the mean of its divisors is an integer number (8088398434935).

Almost surely, 2^{84085771854086} is an apocalyptic number.

84085771854086 is a deficient number, since it is larger than the sum of its proper divisors (45328603104874).

84085771854086 is a wasteful number, since it uses less digits than its factorization.

84085771854086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661971879.

The product of its (nonzero) digits is 481689600, while the sum is 71.

The spelling of 84085771854086 in words is "eighty-four trillion, eighty-five billion, seven hundred seventy-one million, eight hundred fifty-four thousand, eighty-six".