507887987 has 2 divisors, whose sum is σ = 507887988. Its totient is φ = 507887986.

The previous prime is 507887957. The next prime is 507888053. The reversal of 507887987 is 789788705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 507887987 - 2¹⁸ = 507625843 is a prime.

It is not a weakly prime, because it can be changed into another prime (507887957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253943993 + 253943994.

It is an arithmetic number, because the mean of its divisors is an integer number (253943994).

Almost surely, 2^507887987 is an apocalyptic number.

507887987 is a deficient number, since it is larger than the sum of its proper divisors (1).

507887987 is an equidigital number, since it uses as much as digits as its factorization.

507887987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7902720, while the sum is 59.

The square root of 507887987 is about 22536.3703155588. The cubic root of 507887987 is about 797.8525673867.

The spelling of 507887987 in words is "five hundred seven million, eight hundred eighty-seven thousand, nine hundred eighty-seven".