487157837 has 2 divisors, whose sum is σ = 487157838. Its totient is φ = 487157836.

The previous prime is 487157833. The next prime is 487157939. The reversal of 487157837 is 738751784.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457061641 + 30096196 = 21379^2 + 5486^2 .

It is a cyclic number.

It is not a de Polignac number, because 487157837 - 2² = 487157833 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487157833) 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 as a sum of consecutive naturals, namely, 243578918 + 243578919.

It is an arithmetic number, because the mean of its divisors is an integer number (243578919).

Almost surely, 2^487157837 is an apocalyptic number.

It is an amenable number.

487157837 is a deficient number, since it is larger than the sum of its proper divisors (1).

487157837 is an equidigital number, since it uses as much as digits as its factorization.

487157837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1317120, while the sum is 50.

The square root of 487157837 is about 22071.6523395961. The cubic root of 487157837 is about 786.8462834574.

The spelling of 487157837 in words is "four hundred eighty-seven million, one hundred fifty-seven thousand, eight hundred thirty-seven".