987187363 has 2 divisors, whose sum is σ = 987187364. Its totient is φ = 987187362.

The previous prime is 987187321. The next prime is 987187367. The reversal of 987187363 is 363781789.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-987187363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 987187363.

It is not a weakly prime, because it can be changed into another prime (987187367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493593681 + 493593682.

It is an arithmetic number, because the mean of its divisors is an integer number (493593682).

Almost surely, 2^987187363 is an apocalyptic number.

987187363 is a deficient number, since it is larger than the sum of its proper divisors (1).

987187363 is an equidigital number, since it uses as much as digits as its factorization.

987187363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 987187363 is about 31419.5379183081. The cubic root of 987187363 is about 995.7107496354.

The spelling of 987187363 in words is "nine hundred eighty-seven million, one hundred eighty-seven thousand, three hundred sixty-three".