4779158257 has 4 divisors (see below), whose sum is σ = 4779520240. Its totient is φ = 4778796276.

The previous prime is 4779158249. The next prime is 4779158287. The reversal of 4779158257 is 7528519774.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7528519774 = 2 ⋅3764259887.

It is a cyclic number.

It is not a de Polignac number, because 4779158257 - 2³ = 4779158249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4779158198 and 4779158207.

It is not an unprimeable number, because it can be changed into a prime (4779158287) 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, 160407 + ... + 187852.

It is an arithmetic number, because the mean of its divisors is an integer number (1194880060).

Almost surely, 2^4779158257 is an apocalyptic number.

It is an amenable number.

4779158257 is a deficient number, since it is larger than the sum of its proper divisors (361983).

4779158257 is a wasteful number, since it uses less digits than its factorization.

4779158257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361982.

The product of its digits is 4939200, while the sum is 55.

The square root of 4779158257 is about 69131.4563494796. The cubic root of 4779158257 is about 1684.4203152317.

The spelling of 4779158257 in words is "four billion, seven hundred seventy-nine million, one hundred fifty-eight thousand, two hundred fifty-seven".