86192851885220 has 12 divisors (see below), whose sum is σ = 181004988959004. Its totient is φ = 34477140754080.

The previous prime is 86192851885193. The next prime is 86192851885277. The reversal of 86192851885220 is 2258815829168.

It can be written as a sum of positive squares in 2 ways, for example, as 61011002390116 + 25181849495104 = 7810954^2 + 5018152^2 .

It is a super-2 number, since 2×86192851885220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154821297111 + ... + 2154821297150.

It is an arithmetic number, because the mean of its divisors is an integer number (15083749079917).

Almost surely, 2^{86192851885220} is an apocalyptic number.

It is an amenable number.

86192851885220 is an abundant number, since it is smaller than the sum of its proper divisors (94812137073784).

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

86192851885220 is a wasteful number, since it uses less digits than its factorization.

86192851885220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309642594270 (or 4309642594268 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 65.

The spelling of 86192851885220 in words is "eighty-six trillion, one hundred ninety-two billion, eight hundred fifty-one million, eight hundred eighty-five thousand, two hundred twenty".