84149271515 has 8 divisors (see below), whose sum is σ = 101260406880. Its totient is φ = 67131896512.

The previous prime is 84149271473. The next prime is 84149271571. The reversal of 84149271515 is 51517294148.

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

It is a cyclic number.

It is not a de Polignac number, because 84149271515 - 2¹⁶ = 84149205979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84149271515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23438114 + ... + 23441703.

It is an arithmetic number, because the mean of its divisors is an integer number (12657550860).

Almost surely, 2^84149271515 is an apocalyptic number.

84149271515 is a deficient number, since it is larger than the sum of its proper divisors (17111135365).

84149271515 is a wasteful number, since it uses less digits than its factorization.

84149271515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46880181.

The product of its digits is 403200, while the sum is 47.

The spelling of 84149271515 in words is "eighty-four billion, one hundred forty-nine million, two hundred seventy-one thousand, five hundred fifteen".