86041693 has 2 divisors, whose sum is σ = 86041694. Its totient is φ = 86041692.

The previous prime is 86041691. The next prime is 86041727. The reversal of 86041693 is 39614068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85784644 + 257049 = 9262^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 86041693 - 2¹ = 86041691 is a prime.

It is a super-3 number, since 3×86041693³ (a number of 25 digits) contains 333 as substring.

Together with 86041691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86041691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43020846 + 43020847.

It is an arithmetic number, because the mean of its divisors is an integer number (43020847).

Almost surely, 2^86041693 is an apocalyptic number.

It is an amenable number.

86041693 is a deficient number, since it is larger than the sum of its proper divisors (1).

86041693 is an equidigital number, since it uses as much as digits as its factorization.

86041693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 86041693 is about 9275.8661590172. The cubic root of 86041693 is about 441.4718153826.

The spelling of 86041693 in words is "eighty-six million, forty-one thousand, six hundred ninety-three".