86802681481 has 2 divisors, whose sum is σ = 86802681482. Its totient is φ = 86802681480.

The previous prime is 86802681457. The next prime is 86802681527. The reversal of 86802681481 is 18418620868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78391040256 + 8411641225 = 279984^2 + 91715^2 .

It is a cyclic number.

It is not a de Polignac number, because 86802681481 - 2⁷ = 86802681353 is a prime.

It is a super-2 number, since 2×86802681481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86802681431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43401340740 + 43401340741.

It is an arithmetic number, because the mean of its divisors is an integer number (43401340741).

Almost surely, 2^86802681481 is an apocalyptic number.

It is an amenable number.

86802681481 is a deficient number, since it is larger than the sum of its proper divisors (1).

86802681481 is an equidigital number, since it uses as much as digits as its factorization.

86802681481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1179648, while the sum is 52.

The spelling of 86802681481 in words is "eighty-six billion, eight hundred two million, six hundred eighty-one thousand, four hundred eighty-one".