86025139381 has 2 divisors, whose sum is σ = 86025139382. Its totient is φ = 86025139380.

The previous prime is 86025139357. The next prime is 86025139463. The reversal of 86025139381 is 18393152068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85755851281 + 269288100 = 292841^2 + 16410^2 .

It is a cyclic number.

It is not a de Polignac number, because 86025139381 - 2²⁷ = 85890921653 is a prime.

It is a super-2 number, since 2×86025139381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86025539381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43012569690 + 43012569691.

It is an arithmetic number, because the mean of its divisors is an integer number (43012569691).

Almost surely, 2^86025139381 is an apocalyptic number.

It is an amenable number.

86025139381 is a deficient number, since it is larger than the sum of its proper divisors (1).

86025139381 is an equidigital number, since it uses as much as digits as its factorization.

86025139381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 86025139381 in words is "eighty-six billion, twenty-five million, one hundred thirty-nine thousand, three hundred eighty-one".