84535877 has 2 divisors, whose sum is σ = 84535878. Its totient is φ = 84535876.

The previous prime is 84535859. The next prime is 84535933. The reversal of 84535877 is 77853548.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84529636 + 6241 = 9194^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 84535877 - 2⁸ = 84535621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84535817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42267938 + 42267939.

It is an arithmetic number, because the mean of its divisors is an integer number (42267939).

Almost surely, 2^84535877 is an apocalyptic number.

It is an amenable number.

84535877 is a deficient number, since it is larger than the sum of its proper divisors (1).

84535877 is an equidigital number, since it uses as much as digits as its factorization.

84535877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 47.

The square root of 84535877 is about 9194.3393998699. The cubic root of 84535877 is about 438.8812435730.

The spelling of 84535877 in words is "eighty-four million, five hundred thirty-five thousand, eight hundred seventy-seven".