86602331 has 2 divisors, whose sum is σ = 86602332. Its totient is φ = 86602330.

The previous prime is 86602289. The next prime is 86602343. The reversal of 86602331 is 13320668.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86602331 is a prime.

It is a super-2 number, since 2×86602331² = 14999927469267122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86602294 and 86602303.

It is not a weakly prime, because it can be changed into another prime (86602031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43301165 + 43301166.

It is an arithmetic number, because the mean of its divisors is an integer number (43301166).

Almost surely, 2^86602331 is an apocalyptic number.

86602331 is a deficient number, since it is larger than the sum of its proper divisors (1).

86602331 is an equidigital number, since it uses as much as digits as its factorization.

86602331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 86602331 is about 9306.0373414252. The cubic root of 86602331 is about 442.4286005221.

Adding to 86602331 its reverse (13320668), we get a palindrome (99922999).

The spelling of 86602331 in words is "eighty-six million, six hundred two thousand, three hundred thirty-one".