84954478 has 16 divisors (see below), whose sum is σ = 146050560. Its totient is φ = 36305496.

The previous prime is 84954451. The next prime is 84954487. The reversal of 84954478 is 87445948.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3426 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (9128160).

Almost surely, 2^84954478 is an apocalyptic number.

84954478 is a deficient number, since it is larger than the sum of its proper divisors (61096082).

84954478 is a wasteful number, since it uses less digits than its factorization.

84954478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17271.

The product of its digits is 1290240, while the sum is 49.

The square root of 84954478 is about 9217.0753495889. The cubic root of 84954478 is about 439.6044620308.

The spelling of 84954478 in words is "eighty-four million, nine hundred fifty-four thousand, four hundred seventy-eight".