86607641 has 2 divisors, whose sum is σ = 86607642. Its totient is φ = 86607640.

The previous prime is 86607623. The next prime is 86607679. The reversal of 86607641 is 14670668.

It is an a-pointer prime, because the next prime (86607679) can be obtained adding 86607641 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57760000 + 28847641 = 7600^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 86607641 - 2¹⁴ = 86591257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86607595 and 86607604.

It is not a weakly prime, because it can be changed into another prime (86607611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43303820 + 43303821.

It is an arithmetic number, because the mean of its divisors is an integer number (43303821).

Almost surely, 2^86607641 is an apocalyptic number.

It is an amenable number.

86607641 is a deficient number, since it is larger than the sum of its proper divisors (1).

86607641 is an equidigital number, since it uses as much as digits as its factorization.

86607641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 86607641 is about 9306.3226357139. The cubic root of 86607641 is about 442.4376428031.

The spelling of 86607641 in words is "eighty-six million, six hundred seven thousand, six hundred forty-one".