1009167487 has 2 divisors, whose sum is σ = 1009167488. Its totient is φ = 1009167486.

The previous prime is 1009167479. The next prime is 1009167499. The reversal of 1009167487 is 7847619001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1009167487 - 2³ = 1009167479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009167287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504583743 + 504583744.

It is an arithmetic number, because the mean of its divisors is an integer number (504583744).

Almost surely, 2^1009167487 is an apocalyptic number.

1009167487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009167487 is an equidigital number, since it uses as much as digits as its factorization.

1009167487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 1009167487 is about 31767.3966040656. The cubic root of 1009167487 is about 1003.0465381797.

The spelling of 1009167487 in words is "one billion, nine million, one hundred sixty-seven thousand, four hundred eighty-seven".