84770344 has 8 divisors (see below), whose sum is σ = 158944410. Its totient is φ = 42385168.

The previous prime is 84770333. The next prime is 84770351. The reversal of 84770344 is 44307748.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83942244 + 828100 = 9162^2 + 910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×84770344² = 14372022443756672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 5298139 + ... + 5298154.

Almost surely, 2^84770344 is an apocalyptic number.

It is an amenable number.

84770344 is a deficient number, since it is larger than the sum of its proper divisors (74174066).

84770344 is a wasteful number, since it uses less digits than its factorization.

84770344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10596299 (or 10596295 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 84770344 is about 9207.0811878684. The cubic root of 84770344 is about 439.2866263990.

The spelling of 84770344 in words is "eighty-four million, seven hundred seventy thousand, three hundred forty-four".