86571707222 has 128 divisors (see below), whose sum is σ = 186073251840. Its totient is φ = 29071042560.

The previous prime is 86571707191. The next prime is 86571707251. The reversal of 86571707222 is 22270717568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4312304 + ... + 4332332.

It is an arithmetic number, because the mean of its divisors is an integer number (1453697280).

Almost surely, 2^86571707222 is an apocalyptic number.

86571707222 is an abundant number, since it is smaller than the sum of its proper divisors (99501544618).

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

86571707222 is a wasteful number, since it uses less digits than its factorization.

86571707222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20206.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 86571707222 in words is "eighty-six billion, five hundred seventy-one million, seven hundred seven thousand, two hundred twenty-two".