84874959 has 20 divisors (see below), whose sum is σ = 136543176. Its totient is φ = 52230096.

The previous prime is 84874949. The next prime is 84874963. The reversal of 84874959 is 95947848.

It is not a de Polignac number, because 84874959 - 2⁷ = 84874831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84874949) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39249 + ... + 41354.

Almost surely, 2^84874959 is an apocalyptic number.

84874959 is a deficient number, since it is larger than the sum of its proper divisors (51668217).

84874959 is a wasteful number, since it uses less digits than its factorization.

84874959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80628 (or 80619 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 84874959 is about 9212.7606611699. The cubic root of 84874959 is about 439.4672598472.

The spelling of 84874959 in words is "eighty-four million, eight hundred seventy-four thousand, nine hundred fifty-nine".