84770448 has 40 divisors (see below), whose sum is σ = 250275648. Its totient is φ = 24220032.

The previous prime is 84770443. The next prime is 84770471. The reversal of 84770448 is 84407748.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (84770443) by changing a digit.

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, 125811 + ... + 126482.

Almost surely, 2^84770448 is an apocalyptic number.

It is an amenable number.

84770448 is an abundant number, since it is smaller than the sum of its proper divisors (165505200).

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

84770448 is a wasteful number, since it uses less digits than its factorization.

84770448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252311 (or 252305 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 84770448 is about 9207.0868356935. The cubic root of 84770448 is about 439.2868060443.

The spelling of 84770448 in words is "eighty-four million, seven hundred seventy thousand, four hundred forty-eight".