86478511333 has 2 divisors, whose sum is σ = 86478511334. Its totient is φ = 86478511332.

The previous prime is 86478511321. The next prime is 86478511373. The reversal of 86478511333 is 33311587468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49176610564 + 37301900769 = 221758^2 + 193137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86478511333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86478511313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43239255666 + 43239255667.

It is an arithmetic number, because the mean of its divisors is an integer number (43239255667).

Almost surely, 2^86478511333 is an apocalyptic number.

It is an amenable number.

86478511333 is a deficient number, since it is larger than the sum of its proper divisors (1).

86478511333 is an equidigital number, since it uses as much as digits as its factorization.

86478511333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The spelling of 86478511333 in words is "eighty-six billion, four hundred seventy-eight million, five hundred eleven thousand, three hundred thirty-three".