850481615615 has 8 divisors (see below), whose sum is σ = 1020633693408. Its totient is φ = 680348122720.

The previous prime is 850481615611. The next prime is 850481615629. The reversal of 850481615615 is 516516184058.

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

It is not a de Polignac number, because 850481615615 - 2² = 850481615611 is a prime.

It is a super-2 number, since 2×850481615615² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850481615611) 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, 4545347 + ... + 4728756.

It is an arithmetic number, because the mean of its divisors is an integer number (127579211676).

Almost surely, 2^850481615615 is an apocalyptic number.

850481615615 is a deficient number, since it is larger than the sum of its proper divisors (170152077793).

850481615615 is a wasteful number, since it uses less digits than its factorization.

850481615615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292449.

The product of its (nonzero) digits is 1152000, while the sum is 50.

The spelling of 850481615615 in words is "eight hundred fifty billion, four hundred eighty-one million, six hundred fifteen thousand, six hundred fifteen".