86437497871 has 8 divisors (see below), whose sum is σ = 87552710784. Its totient is φ = 85324042200.

The previous prime is 86437497841. The next prime is 86437497877. The reversal of 86437497871 is 17879473468.

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 86437497871 - 2⁹ = 86437497359 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 (86437497877) 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 7 ways as a sum of consecutive naturals, for example, 340155 + ... + 537196.

It is an arithmetic number, because the mean of its divisors is an integer number (10944088848).

Almost surely, 2^86437497871 is an apocalyptic number.

86437497871 is a deficient number, since it is larger than the sum of its proper divisors (1115212913).

86437497871 is a wasteful number, since it uses less digits than its factorization.

86437497871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878621.

The product of its digits is 56899584, while the sum is 64.

The spelling of 86437497871 in words is "eighty-six billion, four hundred thirty-seven million, four hundred ninety-seven thousand, eight hundred seventy-one".