86040329819 has 2 divisors, whose sum is σ = 86040329820. Its totient is φ = 86040329818.

The previous prime is 86040329737. The next prime is 86040329833. The reversal of 86040329819 is 91892304068.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86040329819 is a prime.

It is a super-2 number, since 2×86040329819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86040329839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43020164909 + 43020164910.

It is an arithmetic number, because the mean of its divisors is an integer number (43020164910).

Almost surely, 2^86040329819 is an apocalyptic number.

86040329819 is a deficient number, since it is larger than the sum of its proper divisors (1).

86040329819 is an equidigital number, since it uses as much as digits as its factorization.

86040329819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 86040329819 in words is "eighty-six billion, forty million, three hundred twenty-nine thousand, eight hundred nineteen".