84580780313 has 16 divisors (see below), whose sum is σ = 90336829440. Its totient is φ = 78999039504.

The previous prime is 84580780307. The next prime is 84580780351. The reversal of 84580780313 is 31308708548.

It is a happy number.

It is not a de Polignac number, because 84580780313 - 2¹⁰ = 84580779289 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84580780363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4102970 + ... + 4123532.

It is an arithmetic number, because the mean of its divisors is an integer number (5646051840).

Almost surely, 2^84580780313 is an apocalyptic number.

It is an amenable number.

84580780313 is a deficient number, since it is larger than the sum of its proper divisors (5756049127).

84580780313 is a wasteful number, since it uses less digits than its factorization.

84580780313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24788.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 84580780313 in words is "eighty-four billion, five hundred eighty million, seven hundred eighty thousand, three hundred thirteen".