84712142005 has 32 divisors (see below), whose sum is σ = 109088985600. Its totient is φ = 63028492800.

The previous prime is 84712141999. The next prime is 84712142027. The reversal of 84712142005 is 50024121748.

It is not a de Polignac number, because 84712142005 - 2³⁵ = 50352403637 is a prime.

It is a super-2 number, since 2×84712142005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379470 + ... + 559840.

It is an arithmetic number, because the mean of its divisors is an integer number (3409030800).

Almost surely, 2^84712142005 is an apocalyptic number.

It is an amenable number.

84712142005 is a deficient number, since it is larger than the sum of its proper divisors (24376843595).

84712142005 is a wasteful number, since it uses less digits than its factorization.

84712142005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180525.

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 84712142005 in words is "eighty-four billion, seven hundred twelve million, one hundred forty-two thousand, five".