84207724980 has 48 divisors (see below), whose sum is σ = 235823664384. Its totient is φ = 22451390080.

The previous prime is 84207724963. The next prime is 84207725011. The reversal of 84207724980 is 8942770248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222229 + ... + 466691.

It is an arithmetic number, because the mean of its divisors is an integer number (4912993008).

Almost surely, 2^84207724980 is an apocalyptic number.

It is an amenable number.

84207724980 is an abundant number, since it is smaller than the sum of its proper divisors (151615939404).

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

84207724980 is a wasteful number, since it uses less digits than its factorization.

84207724980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250216 (or 250214 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 84207724980 in words is "eighty-four billion, two hundred seven million, seven hundred twenty-four thousand, nine hundred eighty".