84737047513 has 2 divisors, whose sum is σ = 84737047514. Its totient is φ = 84737047512.

The previous prime is 84737047477. The next prime is 84737047523. The reversal of 84737047513 is 31574073748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77366309904 + 7370737609 = 278148^2 + 85853^2 .

It is a cyclic number.

It is not a de Polignac number, because 84737047513 - 2²¹ = 84734950361 is a prime.

It is not a weakly prime, because it can be changed into another prime (84737047523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42368523756 + 42368523757.

It is an arithmetic number, because the mean of its divisors is an integer number (42368523757).

Almost surely, 2^84737047513 is an apocalyptic number.

It is an amenable number.

84737047513 is a deficient number, since it is larger than the sum of its proper divisors (1).

84737047513 is an equidigital number, since it uses as much as digits as its factorization.

84737047513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 84737047513 in words is "eighty-four billion, seven hundred thirty-seven million, forty-seven thousand, five hundred thirteen".