86757641 has 2 divisors, whose sum is σ = 86757642. Its totient is φ = 86757640.

The previous prime is 86757631. The next prime is 86757683. The reversal of 86757641 is 14675768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53071225 + 33686416 = 7285^2 + 5804^2 .

It is a cyclic number.

It is not a de Polignac number, because 86757641 - 2⁶ = 86757577 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86757592 and 86757601.

It is not a weakly prime, because it can be changed into another prime (86757631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43378820 + 43378821.

It is an arithmetic number, because the mean of its divisors is an integer number (43378821).

Almost surely, 2^86757641 is an apocalyptic number.

It is an amenable number.

86757641 is a deficient number, since it is larger than the sum of its proper divisors (1).

86757641 is an equidigital number, since it uses as much as digits as its factorization.

86757641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The square root of 86757641 is about 9314.3781864384. The cubic root of 86757641 is about 442.6929219314.

The spelling of 86757641 in words is "eighty-six million, seven hundred fifty-seven thousand, six hundred forty-one".