84874887 has 12 divisors (see below), whose sum is σ = 124075224. Its totient is φ = 55901040.

The previous prime is 84874883. The next prime is 84874901. The reversal of 84874887 is 78847848.

It is a happy number.

84874887 is a `hidden beast` number, since 84 + 87 + 488 + 7 = 666.

It is not a de Polignac number, because 84874887 - 2² = 84874883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84874883) 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 in 11 ways as a sum of consecutive naturals, for example, 56064 + ... + 57557.

It is an arithmetic number, because the mean of its divisors is an integer number (10339602).

Almost surely, 2^84874887 is an apocalyptic number.

84874887 is a deficient number, since it is larger than the sum of its proper divisors (39200337).

84874887 is a wasteful number, since it uses less digits than its factorization.

84874887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113710 (or 113707 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 54.

The square root of 84874887 is about 9212.7567535456. The cubic root of 84874887 is about 439.4671355795.

The spelling of 84874887 in words is "eighty-four million, eight hundred seventy-four thousand, eight hundred eighty-seven".