487991877 has 16 divisors (see below), whose sum is σ = 685440000. Its totient is φ = 307962864.

The previous prime is 487991849. The next prime is 487991879. The reversal of 487991877 is 778199784.

It is not a de Polignac number, because 487991877 - 2⁶ = 487991813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 487991877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487991879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94324 + ... + 99362.

It is an arithmetic number, because the mean of its divisors is an integer number (42840000).

Almost surely, 2^487991877 is an apocalyptic number.

It is an amenable number.

487991877 is a deficient number, since it is larger than the sum of its proper divisors (197448123).

487991877 is a wasteful number, since it uses less digits than its factorization.

487991877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760.

The product of its digits is 7112448, while the sum is 60.

The square root of 487991877 is about 22090.5381781431. The cubic root of 487991877 is about 787.2950682674.

The spelling of 487991877 in words is "four hundred eighty-seven million, nine hundred ninety-one thousand, eight hundred seventy-seven".