6857784034 has 8 divisors (see below), whose sum is σ = 10292742828. Its totient is φ = 3426869760.

The previous prime is 6857784013. The next prime is 6857784061. The reversal of 6857784034 is 4304877586.

It can be written as a sum of positive squares in 2 ways, for example, as 6831518409 + 26265625 = 82653^2 + 5125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006887 + ... + 1013674.

Almost surely, 2^6857784034 is an apocalyptic number.

6857784034 is a deficient number, since it is larger than the sum of its proper divisors (3434958794).

6857784034 is a wasteful number, since it uses less digits than its factorization.

6857784034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022260.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The square root of 6857784034 is about 82811.7385036687. The cubic root of 6857784034 is about 1899.8877158022.

The spelling of 6857784034 in words is "six billion, eight hundred fifty-seven million, seven hundred eighty-four thousand, thirty-four".