871430015715 has 96 divisors (see below), whose sum is σ = 1663114328064. Its totient is φ = 388374497280.

The previous prime is 871430015713. The next prime is 871430015759. The reversal of 871430015715 is 517510034178.

It is not a de Polignac number, because 871430015715 - 2¹ = 871430015713 is a prime.

It is a super-2 number, since 2×871430015715² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (871430015713) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4685550 + ... + 4867980.

It is an arithmetic number, because the mean of its divisors is an integer number (17324107584).

Almost surely, 2^871430015715 is an apocalyptic number.

871430015715 is a deficient number, since it is larger than the sum of its proper divisors (791684312349).

871430015715 is a wasteful number, since it uses less digits than its factorization.

871430015715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182617 (or 182610 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 871430015715 in words is "eight hundred seventy-one billion, four hundred thirty million, fifteen thousand, seven hundred fifteen".