1417975987 has 4 divisors (see below), whose sum is σ = 1418053176. Its totient is φ = 1417898800.

The previous prime is 1417975903. The next prime is 1417975997. The reversal of 1417975987 is 7895797141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1417975987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1417975997) 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 in 3 ways as a sum of consecutive naturals, for example, 6612 + ... + 53662.

It is an arithmetic number, because the mean of its divisors is an integer number (354513294).

Almost surely, 2^1417975987 is an apocalyptic number.

1417975987 is a deficient number, since it is larger than the sum of its proper divisors (77189).

1417975987 is an equidigital number, since it uses as much as digits as its factorization.

1417975987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77188.

The product of its digits is 4445280, while the sum is 58.

The square root of 1417975987 is about 37656.0219221309. The cubic root of 1417975987 is about 1123.4565796696.

The spelling of 1417975987 in words is "one billion, four hundred seventeen million, nine hundred seventy-five thousand, nine hundred eighty-seven".