84124909292 has 24 divisors (see below), whose sum is σ = 157756573296. Its totient is φ = 39111223808.

The previous prime is 84124909279. The next prime is 84124909313. The reversal of 84124909292 is 29290942148.

It is a self number, because there is not a number n which added to its sum of digits gives 84124909292.

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, 7446953 + ... + 7458240.

It is an arithmetic number, because the mean of its divisors is an integer number (6573190554).

Almost surely, 2^84124909292 is an apocalyptic number.

It is an amenable number.

84124909292 is a deficient number, since it is larger than the sum of its proper divisors (73631664004).

84124909292 is a wasteful number, since it uses less digits than its factorization.

84124909292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14905297 (or 14905295 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 84124909292 in words is "eighty-four billion, one hundred twenty-four million, nine hundred nine thousand, two hundred ninety-two".