86850637489 has 8 divisors (see below), whose sum is σ = 108281314368. Its totient is φ = 67675821360.

The previous prime is 86850637463. The next prime is 86850637541. The reversal of 86850637489 is 98473605868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86850637489 - 2¹¹ = 86850635441 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 86850637489.

It is not an unprimeable number, because it can be changed into a prime (86850637589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563965102 + ... + 563965255.

It is an arithmetic number, because the mean of its divisors is an integer number (13535164296).

Almost surely, 2^86850637489 is an apocalyptic number.

It is an amenable number.

86850637489 is a deficient number, since it is larger than the sum of its proper divisors (21430676879).

86850637489 is a wasteful number, since it uses less digits than its factorization.

86850637489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127930375.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 86850637489 in words is "eighty-six billion, eight hundred fifty million, six hundred thirty-seven thousand, four hundred eighty-nine".