4787957 has 2 divisors, whose sum is σ = 4787958. Its totient is φ = 4787956.

The previous prime is 4787941. The next prime is 4787963. The reversal of 4787957 is 7597874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4157521 + 630436 = 2039^2 + 794^2 .

It is a cyclic number.

It is not a de Polignac number, because 4787957 - 2⁴ = 4787941 is a prime.

It is a d-powerful number, because it can be written as 4 + 7² + 8 + 7⁴ + 9⁷ + 5³ + 7⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4787257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393978 + 2393979.

It is an arithmetic number, because the mean of its divisors is an integer number (2393979).

Almost surely, 2^4787957 is an apocalyptic number.

It is an amenable number.

4787957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4787957 is an equidigital number, since it uses as much as digits as its factorization.

4787957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 47.

The square root of 4787957 is about 2188.1400777830. The cubic root of 4787957 is about 168.5453390835.

The spelling of 4787957 in words is "four million, seven hundred eighty-seven thousand, nine hundred fifty-seven".