86723482871 has 4 divisors (see below), whose sum is σ = 86725125000. Its totient is φ = 86721840744.

The previous prime is 86723482843. The next prime is 86723482873. The reversal of 86723482871 is 17828432768.

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 86723482871 - 2²² = 86719288567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86723482873) 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, 739121 + ... + 848378.

It is an arithmetic number, because the mean of its divisors is an integer number (21681281250).

Almost surely, 2^86723482871 is an apocalyptic number.

86723482871 is a deficient number, since it is larger than the sum of its proper divisors (1642129).

86723482871 is a wasteful number, since it uses less digits than its factorization.

86723482871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642128.

The product of its digits is 7225344, while the sum is 56.

The spelling of 86723482871 in words is "eighty-six billion, seven hundred twenty-three million, four hundred eighty-two thousand, eight hundred seventy-one".