987499459 has 2 divisors, whose sum is σ = 987499460. Its totient is φ = 987499458.

The previous prime is 987499427. The next prime is 987499463. The reversal of 987499459 is 954994789.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 987499459 - 2⁵ = 987499427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 987499459.

It is not a weakly prime, because it can be changed into another prime (987499489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493749729 + 493749730.

It is an arithmetic number, because the mean of its divisors is an integer number (493749730).

Almost surely, 2^987499459 is an apocalyptic number.

987499459 is a deficient number, since it is larger than the sum of its proper divisors (1).

987499459 is an equidigital number, since it uses as much as digits as its factorization.

987499459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 64.

The square root of 987499459 is about 31424.5041170103. The cubic root of 987499459 is about 995.8156687930.

The spelling of 987499459 in words is "nine hundred eighty-seven million, four hundred ninety-nine thousand, four hundred fifty-nine".