3649072887 has 24 divisors (see below), whose sum is σ = 5448140880. Its totient is φ = 2352257280.

The previous prime is 3649072879. The next prime is 3649072909. The reversal of 3649072887 is 7882709463.

3649072887 is a `hidden beast` number, since 3 + 6 + 490 + 72 + 8 + 87 = 666.

It is not a de Polignac number, because 3649072887 - 2³ = 3649072879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649072807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23938 + ... + 88719.

It is an arithmetic number, because the mean of its divisors is an integer number (227005870).

Almost surely, 2^3649072887 is an apocalyptic number.

3649072887 is a deficient number, since it is larger than the sum of its proper divisors (1799067993).

3649072887 is a wasteful number, since it uses less digits than its factorization.

3649072887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112783 (or 112780 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 3649072887 is about 60407.5565388967. The cubic root of 3649072887 is about 1539.5513517108.

The spelling of 3649072887 in words is "three billion, six hundred forty-nine million, seventy-two thousand, eight hundred eighty-seven".