6878049154 has 8 divisors (see below), whose sum is σ = 10318786380. Its totient is φ = 3438453696.

The previous prime is 6878049151. The next prime is 6878049163. The reversal of 6878049154 is 4519408786.

It can be written as a sum of positive squares in 2 ways, for example, as 6386407225 + 491641929 = 79915^2 + 22173^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6878049151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270219 + ... + 294574.

Almost surely, 2^6878049154 is an apocalyptic number.

6878049154 is a deficient number, since it is larger than the sum of its proper divisors (3440737226).

6878049154 is a wasteful number, since it uses less digits than its factorization.

6878049154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570884.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 6878049154 is about 82934.0048110544. The cubic root of 6878049154 is about 1901.7572988373.

The spelling of 6878049154 in words is "six billion, eight hundred seventy-eight million, forty-nine thousand, one hundred fifty-four".