28739473180320 has 96 divisors (see below), whose sum is σ = 103462103461248. Its totient is φ = 6569022440448.

The previous prime is 28739473180307. The next prime is 28739473180357. The reversal of 28739473180320 is 2308137493782.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4276703959 + ... + 4276710678.

It is an arithmetic number, because the mean of its divisors is an integer number (1077730244388).

Almost surely, 2^{28739473180320} is an apocalyptic number.

28739473180320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28739473180320 is an abundant number, since it is smaller than the sum of its proper divisors (74722630280928).

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

28739473180320 is a wasteful number, since it uses less digits than its factorization.

28739473180320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553414662 (or 8553414654 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 28739473180320 in words is "twenty-eight trillion, seven hundred thirty-nine billion, four hundred seventy-three million, one hundred eighty thousand, three hundred twenty".