487185679 has 2 divisors, whose sum is σ = 487185680. Its totient is φ = 487185678.

The previous prime is 487185619. The next prime is 487185689. The reversal of 487185679 is 976581784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487185679 - 2⁷ = 487185551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487185619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243592839 + 243592840.

It is an arithmetic number, because the mean of its divisors is an integer number (243592840).

Almost surely, 2^487185679 is an apocalyptic number.

487185679 is a deficient number, since it is larger than the sum of its proper divisors (1).

487185679 is an equidigital number, since it uses as much as digits as its factorization.

487185679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 55.

The square root of 487185679 is about 22072.2830491094. The cubic root of 487185679 is about 786.8612730940.

The spelling of 487185679 in words is "four hundred eighty-seven million, one hundred eighty-five thousand, six hundred seventy-nine".