4977924881 has 2 divisors, whose sum is σ = 4977924882. Its totient is φ = 4977924880.

The previous prime is 4977924877. The next prime is 4977924911. The reversal of 4977924881 is 1884297794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3273556225 + 1704368656 = 57215^2 + 41284^2 .

It is a cyclic number.

It is not a de Polignac number, because 4977924881 - 2² = 4977924877 is a prime.

It is a super-2 number, since 2×4977924881² = 49559472241757728322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4977924881.

It is not a weakly prime, because it can be changed into another prime (4977924781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488962440 + 2488962441.

It is an arithmetic number, because the mean of its divisors is an integer number (2488962441).

Almost surely, 2^4977924881 is an apocalyptic number.

It is an amenable number.

4977924881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4977924881 is an equidigital number, since it uses as much as digits as its factorization.

4977924881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 59.

The square root of 4977924881 is about 70554.4107834514. The cubic root of 4977924881 is about 1707.4557058880.

The spelling of 4977924881 in words is "four billion, nine hundred seventy-seven million, nine hundred twenty-four thousand, eight hundred eighty-one".