4778158513 has 4 divisors (see below), whose sum is σ = 5029640560. Its totient is φ = 4526676468.

The previous prime is 4778158457. The next prime is 4778158549. The reversal of 4778158513 is 3158518774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4778158513 - 2²⁹ = 4241287601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4778158013) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 125740995 + ... + 125741032.

It is an arithmetic number, because the mean of its divisors is an integer number (1257410140).

Almost surely, 2^4778158513 is an apocalyptic number.

It is an amenable number.

4778158513 is a deficient number, since it is larger than the sum of its proper divisors (251482047).

4778158513 is a wasteful number, since it uses less digits than its factorization.

4778158513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251482046.

The product of its digits is 940800, while the sum is 49.

The square root of 4778158513 is about 69124.2252253145. The cubic root of 4778158513 is about 1684.3028533656.

The spelling of 4778158513 in words is "four billion, seven hundred seventy-eight million, one hundred fifty-eight thousand, five hundred thirteen".