84784846331 has 2 divisors, whose sum is σ = 84784846332. Its totient is φ = 84784846330.

The previous prime is 84784846319. The next prime is 84784846369. The reversal of 84784846331 is 13364848748.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84784846331 is a prime.

It is a super-2 number, since 2×84784846331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84784846381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42392423165 + 42392423166.

It is an arithmetic number, because the mean of its divisors is an integer number (42392423166).

Almost surely, 2^84784846331 is an apocalyptic number.

84784846331 is a deficient number, since it is larger than the sum of its proper divisors (1).

84784846331 is an equidigital number, since it uses as much as digits as its factorization.

84784846331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12386304, while the sum is 56.

The spelling of 84784846331 in words is "eighty-four billion, seven hundred eighty-four million, eight hundred forty-six thousand, three hundred thirty-one".