487402117 has 4 divisors (see below), whose sum is σ = 513054880. Its totient is φ = 461749356.

The previous prime is 487402067. The next prime is 487402133. The reversal of 487402117 is 711204784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487402117 - 2⁷ = 487401989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487402187) 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 3 ways as a sum of consecutive naturals, for example, 12826353 + ... + 12826390.

It is an arithmetic number, because the mean of its divisors is an integer number (128263720).

Almost surely, 2^487402117 is an apocalyptic number.

It is an amenable number.

487402117 is a deficient number, since it is larger than the sum of its proper divisors (25652763).

487402117 is a wasteful number, since it uses less digits than its factorization.

487402117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25652762.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 487402117 is about 22077.1854410837. The cubic root of 487402117 is about 786.9777799849.

The spelling of 487402117 in words is "four hundred eighty-seven million, four hundred two thousand, one hundred seventeen".