84508741 has 2 divisors, whose sum is σ = 84508742. Its totient is φ = 84508740.

The previous prime is 84508687. The next prime is 84508747. The reversal of 84508741 is 14780548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72743841 + 11764900 = 8529^2 + 3430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84508741 is a prime.

It is equal to p_4916935 and since 84508741 and 4916935 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84508741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84508747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42254370 + 42254371.

It is an arithmetic number, because the mean of its divisors is an integer number (42254371).

Almost surely, 2^84508741 is an apocalyptic number.

It is an amenable number.

84508741 is a deficient number, since it is larger than the sum of its proper divisors (1).

84508741 is an equidigital number, since it uses as much as digits as its factorization.

84508741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 84508741 is about 9192.8635908513. The cubic root of 84508741 is about 438.8342782829.

The spelling of 84508741 in words is "eighty-four million, five hundred eight thousand, seven hundred forty-one".