84770164 has 6 divisors (see below), whose sum is σ = 148347794. Its totient is φ = 42385080.

The previous prime is 84770159. The next prime is 84770171. The reversal of 84770164 is 46107748.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 5560164 = 8900^2 + 2358^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10596267 + ... + 10596274.

Almost surely, 2^84770164 is an apocalyptic number.

It is an amenable number.

84770164 is a deficient number, since it is larger than the sum of its proper divisors (63577630).

84770164 is a wasteful number, since it uses less digits than its factorization.

84770164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21192545 (or 21192543 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 84770164 is about 9207.0714127783. The cubic root of 84770164 is about 439.2863154740.

The spelling of 84770164 in words is "eighty-four million, seven hundred seventy thousand, one hundred sixty-four".