84730013179990 has 16 divisors (see below), whose sum is σ = 152691986427552. Its totient is φ = 33852458004544.

The previous prime is 84730013179963. The next prime is 84730013180009. The reversal of 84730013179990 is 9997131003748.

It is a super-2 number, since 2×84730013179990² (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 4943399434 + ... + 4943416573.

It is an arithmetic number, because the mean of its divisors is an integer number (9543249151722).

Almost surely, 2^{84730013179990} is an apocalyptic number.

84730013179990 is a deficient number, since it is larger than the sum of its proper divisors (67961973247562).

84730013179990 is a wasteful number, since it uses less digits than its factorization.

84730013179990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886816871.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 84730013179990 in words is "eighty-four trillion, seven hundred thirty billion, thirteen million, one hundred seventy-nine thousand, nine hundred ninety".