86001001 has 2 divisors, whose sum is σ = 86001002. Its totient is φ = 86001000.

The previous prime is 86000969. The next prime is 86001017. The reversal of 86001001 is 10010068.

It is an a-pointer prime, because the next prime (86001017) can be obtained adding 86001001 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81920601 + 4080400 = 9051^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 86001001 - 2⁵ = 86000969 is a prime.

86001001 is a modest number, since divided by 1001 gives 86 as remainder.

It is not a weakly prime, because it can be changed into another prime (86001101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43000500 + 43000501.

It is an arithmetic number, because the mean of its divisors is an integer number (43000501).

Almost surely, 2^86001001 is an apocalyptic number.

It is an amenable number.

86001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

86001001 is an equidigital number, since it uses as much as digits as its factorization.

86001001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 86001001 is about 9273.6724656416. The cubic root of 86001001 is about 441.4022088031.

Adding to 86001001 its reverse (10010068), we get a palindrome (96011069).

The spelling of 86001001 in words is "eighty-six million, one thousand, one".