83429179912140 has 96 divisors (see below), whose sum is σ = 245940608605440. Its totient is φ = 21073067308800.

The previous prime is 83429179912037. The next prime is 83429179912181. The reversal of 83429179912140 is 4121997192438.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 194146 + ... + 12918825.

It is an arithmetic number, because the mean of its divisors is an integer number (2561881339640).

Almost surely, 2^{83429179912140} is an apocalyptic number.

It is an amenable number.

83429179912140 is an abundant number, since it is smaller than the sum of its proper divisors (162511428693300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83429179912140 is a wasteful number, since it uses less digits than its factorization.

83429179912140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13118583 (or 13118581 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 83429179912140 in words is "eighty-three trillion, four hundred twenty-nine billion, one hundred seventy-nine million, nine hundred twelve thousand, one hundred forty".