84180701512 has 16 divisors (see below), whose sum is σ = 157853481840. Its totient is φ = 42086439696.

The previous prime is 84180701489. The next prime is 84180701533. The reversal of 84180701512 is 21510708148.

It is a super-2 number, since 2×84180701512² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396378 + ... + 570505.

It is an arithmetic number, because the mean of its divisors is an integer number (9865842615).

Almost surely, 2^84180701512 is an apocalyptic number.

It is an amenable number.

84180701512 is a deficient number, since it is larger than the sum of its proper divisors (73672780328).

84180701512 is a wasteful number, since it uses less digits than its factorization.

84180701512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977772 (or 977768 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The spelling of 84180701512 in words is "eighty-four billion, one hundred eighty million, seven hundred one thousand, five hundred twelve".