84768887 has 16 divisors (see below), whose sum is σ = 100265280. Its totient is φ = 70149888.

The previous prime is 84768877. The next prime is 84768913. The reversal of 84768887 is 78886748.

It is a cyclic number.

It is not a de Polignac number, because 84768887 - 2¹⁰ = 84767863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84768857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34289 + ... + 36677.

It is an arithmetic number, because the mean of its divisors is an integer number (6266580).

Almost surely, 2^84768887 is an apocalyptic number.

84768887 is a deficient number, since it is larger than the sum of its proper divisors (15496393).

84768887 is a wasteful number, since it uses less digits than its factorization.

84768887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570.

The product of its digits is 4816896, while the sum is 56.

The square root of 84768887 is about 9207.0020636470. The cubic root of 84768887 is about 439.2841096215.

The spelling of 84768887 in words is "eighty-four million, seven hundred sixty-eight thousand, eight hundred eighty-seven".