86078141 has 2 divisors, whose sum is σ = 86078142. Its totient is φ = 86078140.

The previous prime is 86078107. The next prime is 86078143. The reversal of 86078141 is 14187068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77352025 + 8726116 = 8795^2 + 2954^2 .

It is a cyclic number.

It is not a de Polignac number, because 86078141 - 2⁶ = 86078077 is a prime.

Together with 86078143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86078143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43039070 + 43039071.

It is an arithmetic number, because the mean of its divisors is an integer number (43039071).

Almost surely, 2^86078141 is an apocalyptic number.

It is an amenable number.

86078141 is a deficient number, since it is larger than the sum of its proper divisors (1).

86078141 is an equidigital number, since it uses as much as digits as its factorization.

86078141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 86078141 is about 9277.8306192773. The cubic root of 86078141 is about 441.5341436665.

The spelling of 86078141 in words is "eighty-six million, seventy-eight thousand, one hundred forty-one".