4987887901 has 2 divisors, whose sum is σ = 4987887902. Its totient is φ = 4987887900.

The previous prime is 4987887889. The next prime is 4987887911. The reversal of 4987887901 is 1097887894.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4776883225 + 211004676 = 69115^2 + 14526^2 .

It is a cyclic number.

It is not a de Polignac number, because 4987887901 - 2⁹ = 4987887389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4987887901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4987887911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493943950 + 2493943951.

It is an arithmetic number, because the mean of its divisors is an integer number (2493943951).

Almost surely, 2^4987887901 is an apocalyptic number.

It is an amenable number.

4987887901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4987887901 is an equidigital number, since it uses as much as digits as its factorization.

4987887901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 61.

The square root of 4987887901 is about 70624.9807150416. The cubic root of 4987887901 is about 1708.5940703836.

The spelling of 4987887901 in words is "four billion, nine hundred eighty-seven million, eight hundred eighty-seven thousand, nine hundred one".