86311601 has 8 divisors (see below), whose sum is σ = 93618504. Its totient is φ = 79252480.

The previous prime is 86311591. The next prime is 86311607. The reversal of 86311601 is 10611368.

It can be written as a sum of positive squares in 4 ways, for example, as 1690000 + 84621601 = 1300^2 + 9199^2 .

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 86311601 - 2¹⁰ = 86310577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86311607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61220 + ... + 62613.

It is an arithmetic number, because the mean of its divisors is an integer number (11702313).

Almost surely, 2^86311601 is an apocalyptic number.

It is an amenable number.

86311601 is a deficient number, since it is larger than the sum of its proper divisors (7306903).

86311601 is a wasteful number, since it uses less digits than its factorization.

86311601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123891.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 86311601 is about 9290.4037048989. The cubic root of 86311601 is about 441.9329576933.

Adding to 86311601 its reverse (10611368), we get a palindrome (96922969).

The spelling of 86311601 in words is "eighty-six million, three hundred eleven thousand, six hundred one".