4987782997 has 2 divisors, whose sum is σ = 4987782998. Its totient is φ = 4987782996.

The previous prime is 4987782973. The next prime is 4987783007. The reversal of 4987782997 is 7992877894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3212509041 + 1775273956 = 56679^2 + 42134^2 .

It is a cyclic number.

It is not a de Polignac number, because 4987782997 - 2⁷ = 4987782869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4987782937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493891498 + 2493891499.

It is an arithmetic number, because the mean of its divisors is an integer number (2493891499).

Almost surely, 2^4987782997 is an apocalyptic number.

It is an amenable number.

4987782997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4987782997 is an equidigital number, since it uses as much as digits as its factorization.

4987782997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128024064, while the sum is 70.

The square root of 4987782997 is about 70624.2380277480. The cubic root of 4987782997 is about 1708.5820920598.

The spelling of 4987782997 in words is "four billion, nine hundred eighty-seven million, seven hundred eighty-two thousand, nine hundred ninety-seven".