86236142327481 has 32 divisors (see below), whose sum is σ = 115508511959040. Its totient is φ = 57227656417344.

The previous prime is 86236142327471. The next prime is 86236142327519. The reversal of 86236142327481 is 18472324163268.

It is a happy number.

It is not a de Polignac number, because 86236142327481 - 2⁹ = 86236142326969 is a prime.

It is a super-2 number, since 2×86236142327481² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86236142327441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6873042450 + ... + 6873054996.

It is an arithmetic number, because the mean of its divisors is an integer number (3609640998720).

Almost surely, 2^{86236142327481} is an apocalyptic number.

It is an amenable number.

86236142327481 is a deficient number, since it is larger than the sum of its proper divisors (29272369631559).

86236142327481 is a wasteful number, since it uses less digits than its factorization.

86236142327481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19485.

The product of its digits is 18579456, while the sum is 57.

The spelling of 86236142327481 in words is "eighty-six trillion, two hundred thirty-six billion, one hundred forty-two million, three hundred twenty-seven thousand, four hundred eighty-one".