6477845158 has 4 divisors (see below), whose sum is σ = 9716767740. Its totient is φ = 3238922578.

The previous prime is 6477845149. The next prime is 6477845191. The reversal of 6477845158 is 8515487746.

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

It is a junction number, because it is equal to n+sod(n) for n = 6477845099 and 6477845108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619461288 + ... + 1619461291.

It is an arithmetic number, because the mean of its divisors is an integer number (2429191935).

Almost surely, 2^6477845158 is an apocalyptic number.

6477845158 is a deficient number, since it is larger than the sum of its proper divisors (3238922582).

6477845158 is a wasteful number, since it uses less digits than its factorization.

6477845158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238922581.

The product of its digits is 7526400, while the sum is 55.

The square root of 6477845158 is about 80485.0617071267. The cubic root of 6477845158 is about 1864.1328264914.

The spelling of 6477845158 in words is "six billion, four hundred seventy-seven million, eight hundred forty-five thousand, one hundred fifty-eight".