86719582837 has 4 divisors (see below), whose sum is σ = 87530046336. Its totient is φ = 85909119340.

The previous prime is 86719582727. The next prime is 86719582879. The reversal of 86719582837 is 73828591768.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86719582837 - 2⁷ = 86719582709 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 (86719582897) 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, 405231589 + ... + 405231802.

It is an arithmetic number, because the mean of its divisors is an integer number (21882511584).

Almost surely, 2^86719582837 is an apocalyptic number.

It is an amenable number.

86719582837 is a deficient number, since it is larger than the sum of its proper divisors (810463499).

86719582837 is a wasteful number, since it uses less digits than its factorization.

86719582837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810463498.

The product of its digits is 40642560, while the sum is 64.

The spelling of 86719582837 in words is "eighty-six billion, seven hundred nineteen million, five hundred eighty-two thousand, eight hundred thirty-seven".