86719266737 has 4 divisors (see below), whose sum is σ = 86976594276. Its totient is φ = 86461939200.

The previous prime is 86719266721. The next prime is 86719266743. The reversal of 86719266737 is 73766291768.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57040246561 + 29679020176 = 238831^2 + 172276^2 .

It is a cyclic number.

It is not a de Polignac number, because 86719266737 - 2⁴ = 86719266721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86719266737.

It is not an unprimeable number, because it can be changed into a prime (86719266037) 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, 128663264 + ... + 128663937.

It is an arithmetic number, because the mean of its divisors is an integer number (21744148569).

Almost surely, 2^86719266737 is an apocalyptic number.

It is an amenable number.

86719266737 is a deficient number, since it is larger than the sum of its proper divisors (257327539).

86719266737 is a wasteful number, since it uses less digits than its factorization.

86719266737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257327538.

The product of its digits is 32006016, while the sum is 62.

The spelling of 86719266737 in words is "eighty-six billion, seven hundred nineteen million, two hundred sixty-six thousand, seven hundred thirty-seven".