84083925889 has 2 divisors, whose sum is σ = 84083925890. Its totient is φ = 84083925888.

The previous prime is 84083925859. The next prime is 84083925931. The reversal of 84083925889 is 98852938048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69072775489 + 15011150400 = 262817^2 + 122520^2 .

It is a cyclic number.

It is not a de Polignac number, because 84083925889 - 2⁵ = 84083925857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84083925889.

It is not a weakly prime, because it can be changed into another prime (84083925859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42041962944 + 42041962945.

It is an arithmetic number, because the mean of its divisors is an integer number (42041962945).

Almost surely, 2^84083925889 is an apocalyptic number.

It is an amenable number.

84083925889 is a deficient number, since it is larger than the sum of its proper divisors (1).

84083925889 is an equidigital number, since it uses as much as digits as its factorization.

84083925889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 84083925889 in words is "eighty-four billion, eighty-three million, nine hundred twenty-five thousand, eight hundred eighty-nine".