6117222578 has 4 divisors (see below), whose sum is σ = 9175833870. Its totient is φ = 3058611288.

The previous prime is 6117222547. The next prime is 6117222581. The reversal of 6117222578 is 8752227116.

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., 4567461889 + 1549760689 = 67583^2 + 39367^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1529305643 + ... + 1529305646.

Almost surely, 2^6117222578 is an apocalyptic number.

6117222578 is a deficient number, since it is larger than the sum of its proper divisors (3058611292).

6117222578 is a wasteful number, since it uses less digits than its factorization.

6117222578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058611291.

The product of its digits is 94080, while the sum is 41.

The square root of 6117222578 is about 78212.6753026643. The cubic root of 6117222578 is about 1828.8781061888.

The spelling of 6117222578 in words is "six billion, one hundred seventeen million, two hundred twenty-two thousand, five hundred seventy-eight".