487420813 has 16 divisors (see below), whose sum is σ = 562098240. Its totient is φ = 418003200.

The previous prime is 487420799. The next prime is 487420831. The reversal of 487420813 is 318024784.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487420813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487420513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45531 + ... + 55207.

It is an arithmetic number, because the mean of its divisors is an integer number (35131140).

Almost surely, 2^487420813 is an apocalyptic number.

It is an amenable number.

487420813 is a deficient number, since it is larger than the sum of its proper divisors (74677427).

487420813 is a wasteful number, since it uses less digits than its factorization.

487420813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9948.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 487420813 is about 22077.6088605628. The cubic root of 487420813 is about 786.9878422777.

The spelling of 487420813 in words is "four hundred eighty-seven million, four hundred twenty thousand, eight hundred thirteen".