84853478 has 16 divisors (see below), whose sum is σ = 131896080. Its totient is φ = 40893216.

The previous prime is 84853459. The next prime is 84853481. The reversal of 84853478 is 87435848.

It is a super-2 number, since 2×84853478² = 14400225457392968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51800 + ... + 53412.

It is an arithmetic number, because the mean of its divisors is an integer number (8243505).

Almost surely, 2^84853478 is an apocalyptic number.

84853478 is a deficient number, since it is larger than the sum of its proper divisors (47042602).

84853478 is a wasteful number, since it uses less digits than its factorization.

84853478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551.

The product of its digits is 860160, while the sum is 47.

The square root of 84853478 is about 9211.5947587809. The cubic root of 84853478 is about 439.4301818019.

The spelling of 84853478 in words is "eighty-four million, eight hundred fifty-three thousand, four hundred seventy-eight".