86034861091 has 4 divisors (see below), whose sum is σ = 86113289592. Its totient is φ = 85956432592.

The previous prime is 86034861079. The next prime is 86034861113. The reversal of 86034861091 is 19016843068.

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 86034861091 - 2²¹ = 86032763939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86034861041) 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 3 ways as a sum of consecutive naturals, for example, 39212605 + ... + 39214798.

It is an arithmetic number, because the mean of its divisors is an integer number (21528322398).

Almost surely, 2^86034861091 is an apocalyptic number.

86034861091 is a deficient number, since it is larger than the sum of its proper divisors (78428501).

86034861091 is a wasteful number, since it uses less digits than its factorization.

86034861091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78428500.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 86034861091 in words is "eighty-six billion, thirty-four million, eight hundred sixty-one thousand, ninety-one".