84854870 has 32 divisors (see below), whose sum is σ = 158824800. Its totient is φ = 32601856.

The previous prime is 84854863. The next prime is 84854873. The reversal of 84854870 is 7845848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84854873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65186 + ... + 66474.

It is an arithmetic number, because the mean of its divisors is an integer number (4963275).

Almost surely, 2^84854870 is an apocalyptic number.

84854870 is a deficient number, since it is larger than the sum of its proper divisors (73969930).

84854870 is a wasteful number, since it uses less digits than its factorization.

84854870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 84854870 is about 9211.6703154205. The cubic root of 84854870 is about 439.4325847027.

The spelling of 84854870 in words is "eighty-four million, eight hundred fifty-four thousand, eight hundred seventy".