649277883 has 8 divisors (see below), whose sum is σ = 961893200. Its totient is φ = 432851904.

The previous prime is 649277869. The next prime is 649277891. The reversal of 649277883 is 388772946.

649277883 is a `hidden beast` number, since 6 + 492 + 7 + 78 + 83 = 666.

It is not a de Polignac number, because 649277883 - 2⁸ = 649277627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649277843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12023638 + ... + 12023691.

It is an arithmetic number, because the mean of its divisors is an integer number (120236650).

Almost surely, 2^649277883 is an apocalyptic number.

649277883 is a deficient number, since it is larger than the sum of its proper divisors (312615317).

649277883 is a wasteful number, since it uses less digits than its factorization.

649277883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24047338 (or 24047332 counting only the distinct ones).

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

The square root of 649277883 is about 25480.9317529795. The cubic root of 649277883 is about 865.9182039206.

The spelling of 649277883 in words is "six hundred forty-nine million, two hundred seventy-seven thousand, eight hundred eighty-three".