84752477 has 2 divisors, whose sum is σ = 84752478. Its totient is φ = 84752476.

The previous prime is 84752461. The next prime is 84752491. The reversal of 84752477 is 77425748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84254041 + 498436 = 9179^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 84752477 - 2⁴ = 84752461 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 (84752077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42376238 + 42376239.

It is an arithmetic number, because the mean of its divisors is an integer number (42376239).

Almost surely, 2^84752477 is an apocalyptic number.

It is an amenable number.

84752477 is a deficient number, since it is larger than the sum of its proper divisors (1).

84752477 is an equidigital number, since it uses as much as digits as its factorization.

84752477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 439040, while the sum is 44.

The square root of 84752477 is about 9206.1108509511. The cubic root of 84752477 is about 439.2557614948.

The spelling of 84752477 in words is "eighty-four million, seven hundred fifty-two thousand, four hundred seventy-seven".