84754487 has 2 divisors, whose sum is σ = 84754488. Its totient is φ = 84754486.

The previous prime is 84754463. The next prime is 84754493. The reversal of 84754487 is 78445748.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84754487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84754427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42377243 + 42377244.

It is an arithmetic number, because the mean of its divisors is an integer number (42377244).

Almost surely, 2^84754487 is an apocalyptic number.

84754487 is a deficient number, since it is larger than the sum of its proper divisors (1).

84754487 is an equidigital number, since it uses as much as digits as its factorization.

84754487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1003520, while the sum is 47.

The square root of 84754487 is about 9206.2200169233. The cubic root of 84754487 is about 439.2592339483.

The spelling of 84754487 in words is "eighty-four million, seven hundred fifty-four thousand, four hundred eighty-seven".