870784034 has 4 divisors (see below), whose sum is σ = 1306176054. Its totient is φ = 435392016.

The previous prime is 870784021. The next prime is 870784037. The reversal of 870784034 is 430487078.

870784034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 475370809 + 395413225 = 21803^2 + 19885^2 .

It is a junction number, because it is equal to n+sod(n) for n = 870783982 and 870784000.

It is not an unprimeable number, because it can be changed into a prime (870784037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217696007 + ... + 217696010.

Almost surely, 2^870784034 is an apocalyptic number.

870784034 is a deficient number, since it is larger than the sum of its proper divisors (435392020).

870784034 is a wasteful number, since it uses less digits than its factorization.

870784034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435392019.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 870784034 is about 29509.0500355399. The cubic root of 870784034 is about 954.9269551142.

The spelling of 870784034 in words is "eight hundred seventy million, seven hundred eighty-four thousand, thirty-four".