84876577 has 2 divisors, whose sum is σ = 84876578. Its totient is φ = 84876576.

The previous prime is 84876551. The next prime is 84876599. The reversal of 84876577 is 77567848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57093136 + 27783441 = 7556^2 + 5271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84876577 is a prime.

It is not a weakly prime, because it can be changed into another prime (84876277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42438288 + 42438289.

It is an arithmetic number, because the mean of its divisors is an integer number (42438289).

Almost surely, 2^84876577 is an apocalyptic number.

It is an amenable number.

84876577 is a deficient number, since it is larger than the sum of its proper divisors (1).

84876577 is an equidigital number, since it uses as much as digits as its factorization.

84876577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2634240, while the sum is 52.

The square root of 84876577 is about 9212.8484737349. The cubic root of 84876577 is about 439.4700524004.

The spelling of 84876577 in words is "eighty-four million, eight hundred seventy-six thousand, five hundred seventy-seven".