84328919137 has 2 divisors, whose sum is σ = 84328919138. Its totient is φ = 84328919136.

The previous prime is 84328918967. The next prime is 84328919141. The reversal of 84328919137 is 73191982348.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83384647696 + 944271441 = 288764^2 + 30729^2 .

It is a cyclic number.

It is not a de Polignac number, because 84328919137 - 2³⁵ = 49969180769 is a prime.

It is a super-2 number, since 2×84328919137² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84328919737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42164459568 + 42164459569.

It is an arithmetic number, because the mean of its divisors is an integer number (42164459569).

Almost surely, 2^84328919137 is an apocalyptic number.

It is an amenable number.

84328919137 is a deficient number, since it is larger than the sum of its proper divisors (1).

84328919137 is an equidigital number, since it uses as much as digits as its factorization.

84328919137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The spelling of 84328919137 in words is "eighty-four billion, three hundred twenty-eight million, nine hundred nineteen thousand, one hundred thirty-seven".