84831130837 has 2 divisors, whose sum is σ = 84831130838. Its totient is φ = 84831130836.

The previous prime is 84831130807. The next prime is 84831130873. The reversal of 84831130837 is 73803113848.

Together with next prime (84831130873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56078502481 + 28752628356 = 236809^2 + 169566^2 .

It is a cyclic number.

It is not a de Polignac number, because 84831130837 - 2¹⁵ = 84831098069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84831130807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42415565418 + 42415565419.

It is an arithmetic number, because the mean of its divisors is an integer number (42415565419).

Almost surely, 2^84831130837 is an apocalyptic number.

It is an amenable number.

84831130837 is a deficient number, since it is larger than the sum of its proper divisors (1).

84831130837 is an equidigital number, since it uses as much as digits as its factorization.

84831130837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 84831130837 in words is "eighty-four billion, eight hundred thirty-one million, one hundred thirty thousand, eight hundred thirty-seven".