86504641 has 2 divisors, whose sum is σ = 86504642. Its totient is φ = 86504640.

The previous prime is 86504623. The next prime is 86504659. The reversal of 86504641 is 14640568.

It is a balanced prime because it is at equal distance from previous prime (86504623) and next prime (86504659).

It can be written as a sum of positive squares in only one way, i.e., 86490000 + 14641 = 9300^2 + 121^2 .

It is a cyclic number.

It is not a de Polignac number, because 86504641 - 2⁵ = 86504609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86504597 and 86504606.

It is not a weakly prime, because it can be changed into another prime (86504611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43252320 + 43252321.

It is an arithmetic number, because the mean of its divisors is an integer number (43252321).

Almost surely, 2^86504641 is an apocalyptic number.

It is an amenable number.

86504641 is a deficient number, since it is larger than the sum of its proper divisors (1).

86504641 is an equidigital number, since it uses as much as digits as its factorization.

86504641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 86504641 is about 9300.7871172283. The cubic root of 86504641 is about 442.2621803994.

The spelling of 86504641 in words is "eighty-six million, five hundred four thousand, six hundred forty-one".