84798748321 has 4 divisors (see below), whose sum is σ = 96912855232. Its totient is φ = 72684641412.

The previous prime is 84798748291. The next prime is 84798748343. The reversal of 84798748321 is 12384789748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84798748321 - 2¹⁵ = 84798715553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84798748321.

It is not an unprimeable number, because it can be changed into a prime (84798748121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6057053445 + ... + 6057053458.

It is an arithmetic number, because the mean of its divisors is an integer number (24228213808).

Almost surely, 2^84798748321 is an apocalyptic number.

It is an amenable number.

84798748321 is a deficient number, since it is larger than the sum of its proper divisors (12114106911).

84798748321 is a wasteful number, since it uses less digits than its factorization.

84798748321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12114106910.

The product of its digits is 21676032, while the sum is 61.

The spelling of 84798748321 in words is "eighty-four billion, seven hundred ninety-eight million, seven hundred forty-eight thousand, three hundred twenty-one".