84856345 has 16 divisors (see below), whose sum is σ = 116524800. Its totient is φ = 58112064.

The previous prime is 84856283. The next prime is 84856351. The reversal of 84856345 is 54365848.

It is a cyclic number.

It is not a de Polignac number, because 84856345 - 2¹⁵ = 84823577 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 48099 + ... + 49831.

It is an arithmetic number, because the mean of its divisors is an integer number (7282800).

Almost surely, 2^84856345 is an apocalyptic number.

It is an amenable number.

84856345 is a deficient number, since it is larger than the sum of its proper divisors (31668455).

84856345 is a wasteful number, since it uses less digits than its factorization.

84856345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its digits is 460800, while the sum is 43.

The square root of 84856345 is about 9211.7503765571. The cubic root of 84856345 is about 439.4351308512.

The spelling of 84856345 in words is "eighty-four million, eight hundred fifty-six thousand, three hundred forty-five".