86705001 has 6 divisors (see below), whose sum is σ = 125240570. Its totient is φ = 57803328.

The previous prime is 86704997. The next prime is 86705011. The reversal of 86705001 is 10050768.

It can be written as a sum of positive squares in only one way, i.e., 65221776 + 21483225 = 8076^2 + 4635^2 .

It is not a de Polignac number, because 86705001 - 2² = 86704997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86705011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4816936 + ... + 4816953.

Almost surely, 2^86705001 is an apocalyptic number.

It is an amenable number.

86705001 is a deficient number, since it is larger than the sum of its proper divisors (38535569).

86705001 is a wasteful number, since it uses less digits than its factorization.

86705001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9633895 (or 9633892 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 86705001 is about 9311.5520188635. The cubic root of 86705001 is about 442.6033695115.

Adding to 86705001 its reverse (10050768), we get a palindrome (96755769).

The spelling of 86705001 in words is "eighty-six million, seven hundred five thousand, one".