84208220537315 has 16 divisors (see below), whose sum is σ = 115493951271168. Its totient is φ = 57738583958496.

The previous prime is 84208220537303. The next prime is 84208220537323. The reversal of 84208220537315 is 51373502280248.

It is not a de Polignac number, because 84208220537315 - 2⁶ = 84208220537251 is a prime.

It is a super-2 number, since 2×84208220537315² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86924717 + ... + 87888126.

It is an arithmetic number, because the mean of its divisors is an integer number (7218371954448).

Almost surely, 2^{84208220537315} is an apocalyptic number.

84208220537315 is a deficient number, since it is larger than the sum of its proper divisors (31285730733853).

84208220537315 is a wasteful number, since it uses less digits than its factorization.

84208220537315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174826618.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 84208220537315 in words is "eighty-four trillion, two hundred eight billion, two hundred twenty million, five hundred thirty-seven thousand, three hundred fifteen".