487420831 has 2 divisors, whose sum is σ = 487420832. Its totient is φ = 487420830.

The previous prime is 487420799. The next prime is 487420861. The reversal of 487420831 is 138024784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487420831 - 2⁵ = 487420799 is a prime.

It is a super-2 number, since 2×487420831² = 475158132985461122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487420861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243710415 + 243710416.

It is an arithmetic number, because the mean of its divisors is an integer number (243710416).

Almost surely, 2^487420831 is an apocalyptic number.

487420831 is a deficient number, since it is larger than the sum of its proper divisors (1).

487420831 is an equidigital number, since it uses as much as digits as its factorization.

487420831 is an evil number, because the sum of its binary digits is even.

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

The square root of 487420831 is about 22077.6092682156. The cubic root of 487420831 is about 786.9878519652.

The spelling of 487420831 in words is "four hundred eighty-seven million, four hundred twenty thousand, eight hundred thirty-one".