86005121207 has 4 divisors (see below), whose sum is σ = 86311189536. Its totient is φ = 85699052880.

The previous prime is 86005121179. The next prime is 86005121287. The reversal of 86005121207 is 70212150068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86005121207 - 2¹⁸ = 86004859063 is a prime.

It is a super-2 number, since 2×86005121207² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86005121287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153033743 + ... + 153034304.

It is an arithmetic number, because the mean of its divisors is an integer number (21577797384).

Almost surely, 2^86005121207 is an apocalyptic number.

86005121207 is a deficient number, since it is larger than the sum of its proper divisors (306068329).

86005121207 is a wasteful number, since it uses less digits than its factorization.

86005121207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306068328.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 86005121207 in words is "eighty-six billion, five million, one hundred twenty-one thousand, two hundred seven".