84783122 has 4 divisors (see below), whose sum is σ = 127174686. Its totient is φ = 42391560.

The previous prime is 84783113. The next prime is 84783161. The reversal of 84783122 is 22138748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65431921 + 19351201 = 8089^2 + 4399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21195779 + ... + 21195782.

Almost surely, 2^84783122 is an apocalyptic number.

84783122 is a deficient number, since it is larger than the sum of its proper divisors (42391564).

84783122 is a wasteful number, since it uses less digits than its factorization.

84783122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42391563.

The product of its digits is 21504, while the sum is 35.

The square root of 84783122 is about 9207.7750841341. The cubic root of 84783122 is about 439.3086974922.

The spelling of 84783122 in words is "eighty-four million, seven hundred eighty-three thousand, one hundred twenty-two".