86571012351880 has 48 divisors (see below), whose sum is σ = 226586374171020. Its totient is φ = 29681489948544.

The previous prime is 86571012351853. The next prime is 86571012351881. The reversal of 86571012351880 is 8815321017568.

It can be written as a sum of positive squares in 2 ways, for example, as 77310834704964 + 9260177646916 = 8792658^2 + 3043054^2 .

It is not an unprimeable number, because it can be changed into a prime (86571012351881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22084439967 + ... + 22084443886.

Almost surely, 2^{86571012351880} is an apocalyptic number.

It is an amenable number.

86571012351880 is an abundant number, since it is smaller than the sum of its proper divisors (140015361819140).

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

86571012351880 is a wasteful number, since it uses less digits than its factorization.

86571012351880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44168883878 (or 44168883867 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 86571012351880 in words is "eighty-six trillion, five hundred seventy-one billion, twelve million, three hundred fifty-one thousand, eight hundred eighty".