4977689287 has 2 divisors, whose sum is σ = 4977689288. Its totient is φ = 4977689286.

The previous prime is 4977689281. The next prime is 4977689329. The reversal of 4977689287 is 7829867794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4977689287 - 2³¹ = 2830205639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4977689281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488844643 + 2488844644.

It is an arithmetic number, because the mean of its divisors is an integer number (2488844644).

Almost surely, 2^4977689287 is an apocalyptic number.

4977689287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4977689287 is an equidigital number, since it uses as much as digits as its factorization.

4977689287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85349376, while the sum is 67.

The square root of 4977689287 is about 70552.7411728276. The cubic root of 4977689287 is about 1707.4287687823.

The spelling of 4977689287 in words is "four billion, nine hundred seventy-seven million, six hundred eighty-nine thousand, two hundred eighty-seven".