84770212 has 6 divisors (see below), whose sum is σ = 148347878. Its totient is φ = 42385104.

The previous prime is 84770201. The next prime is 84770221. The reversal of 84770212 is 21207748.

It can be written as a sum of positive squares in only one way, i.e., 81288256 + 3481956 = 9016^2 + 1866^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10596273 + ... + 10596280.

Almost surely, 2^84770212 is an apocalyptic number.

It is an amenable number.

84770212 is a deficient number, since it is larger than the sum of its proper divisors (63577666).

84770212 is a wasteful number, since it uses less digits than its factorization.

84770212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21192557 (or 21192555 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 84770212 is about 9207.0740194700. The cubic root of 84770212 is about 439.2863983874.

The spelling of 84770212 in words is "eighty-four million, seven hundred seventy thousand, two hundred twelve".