84768988537 has 2 divisors, whose sum is σ = 84768988538. Its totient is φ = 84768988536.

The previous prime is 84768988529. The next prime is 84768988541. The reversal of 84768988537 is 73588986748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60616409616 + 24152578921 = 246204^2 + 155411^2 .

It is a cyclic number.

It is not a de Polignac number, because 84768988537 - 2³ = 84768988529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84768988537.

It is not a weakly prime, because it can be changed into another prime (84768988597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42384494268 + 42384494269.

It is an arithmetic number, because the mean of its divisors is an integer number (42384494269).

Almost surely, 2^84768988537 is an apocalyptic number.

It is an amenable number.

84768988537 is a deficient number, since it is larger than the sum of its proper divisors (1).

84768988537 is an equidigital number, since it uses as much as digits as its factorization.

84768988537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 650280960, while the sum is 73.

The spelling of 84768988537 in words is "eighty-four billion, seven hundred sixty-eight million, nine hundred eighty-eight thousand, five hundred thirty-seven".