3899752687 has 2 divisors, whose sum is σ = 3899752688. Its totient is φ = 3899752686.

The previous prime is 3899752657. The next prime is 3899752721. The reversal of 3899752687 is 7862579983.

3899752687 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3899752687 - 2¹⁵ = 3899719919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3899752607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949876343 + 1949876344.

It is an arithmetic number, because the mean of its divisors is an integer number (1949876344).

Almost surely, 2^3899752687 is an apocalyptic number.

3899752687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3899752687 is an equidigital number, since it uses as much as digits as its factorization.

3899752687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 64.

The square root of 3899752687 is about 62447.9998638868. Note that the first 3 decimals coincide. The cubic root of 3899752687 is about 1574.0276436437.

The spelling of 3899752687 in words is "three billion, eight hundred ninety-nine million, seven hundred fifty-two thousand, six hundred eighty-seven".