86215601 has 8 divisors (see below), whose sum is σ = 87128064. Its totient is φ = 85307040.

The previous prime is 86215583. The next prime is 86215603. The reversal of 86215601 is 10651268.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86215601 - 2²² = 82021297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86215603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65516 + ... + 66818.

It is an arithmetic number, because the mean of its divisors is an integer number (10891008).

Almost surely, 2^86215601 is an apocalyptic number.

It is an amenable number.

86215601 is a deficient number, since it is larger than the sum of its proper divisors (912463).

86215601 is a wasteful number, since it uses less digits than its factorization.

86215601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 86215601 is about 9285.2356459058. The cubic root of 86215601 is about 441.7690503991.

Adding to 86215601 its reverse (10651268), we get a palindrome (96866869).

The spelling of 86215601 in words is "eighty-six million, two hundred fifteen thousand, six hundred one".