84954378 has 24 divisors (see below), whose sum is σ = 174174624. Its totient is φ = 27624160.

The previous prime is 84954371. The next prime is 84954391. The reversal of 84954378 is 87345948.

It is not an unprimeable number, because it can be changed into a prime (84954371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5875 + ... + 14297.

It is an arithmetic number, because the mean of its divisors is an integer number (7257276).

Almost surely, 2^84954378 is an apocalyptic number.

84954378 is an abundant number, since it is smaller than the sum of its proper divisors (89220246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84954378 is a wasteful number, since it uses less digits than its factorization.

84954378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510 (or 8469 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 84954378 is about 9217.0699248731. The cubic root of 84954378 is about 439.6042895445.

The spelling of 84954378 in words is "eighty-four million, nine hundred fifty-four thousand, three hundred seventy-eight".