4950777257 has 4 divisors (see below), whose sum is σ = 4984004100. Its totient is φ = 4917550416.

The previous prime is 4950777217. The next prime is 4950777287. The reversal of 4950777257 is 7527770594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7527770594 = 2 ⋅3763885297.

It can be written as a sum of positive squares in 2 ways, for example, as 2583078976 + 2367698281 = 50824^2 + 48659^2 .

It is a cyclic number.

It is not a de Polignac number, because 4950777257 - 2¹⁴ = 4950760873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4950777199 and 4950777208.

It is not an unprimeable number, because it can be changed into a prime (4950777217) 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, 16613198 + ... + 16613495.

It is an arithmetic number, because the mean of its divisors is an integer number (1246001025).

Almost surely, 2^4950777257 is an apocalyptic number.

It is an amenable number.

4950777257 is a deficient number, since it is larger than the sum of its proper divisors (33226843).

4950777257 is a wasteful number, since it uses less digits than its factorization.

4950777257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33226842.

The product of its (nonzero) digits is 4321800, while the sum is 53.

The square root of 4950777257 is about 70361.7599055055. The cubic root of 4950777257 is about 1704.3461179156.

The spelling of 4950777257 in words is "four billion, nine hundred fifty million, seven hundred seventy-seven thousand, two hundred fifty-seven".