84955018 has 24 divisors (see below), whose sum is σ = 136779552. Its totient is φ = 39562944.

The previous prime is 84955009. The next prime is 84955021. The reversal of 84955018 is 81055948.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 58821 + ... + 60247.

It is an arithmetic number, because the mean of its divisors is an integer number (5699148).

Almost surely, 2^84955018 is an apocalyptic number.

84955018 is a deficient number, since it is larger than the sum of its proper divisors (51824534).

84955018 is a wasteful number, since it uses less digits than its factorization.

84955018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 84955018 is about 9217.1046429993. The cubic root of 84955018 is about 439.6053934548.

The spelling of 84955018 in words is "eighty-four million, nine hundred fifty-five thousand, eighteen".