1018880487 has 12 divisors (see below), whose sum is σ = 1483306240. Its totient is φ = 673904448.

The previous prime is 1018880479. The next prime is 1018880501. The reversal of 1018880487 is 7840888101.

1018880487 is a `hidden beast` number, since 10 + 1 + 88 + 80 + 487 = 666.

It is not a de Polignac number, because 1018880487 - 2³ = 1018880479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018880407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444562 + ... + 446847.

Almost surely, 2^1018880487 is an apocalyptic number.

1018880487 is a deficient number, since it is larger than the sum of its proper divisors (464425753).

1018880487 is a wasteful number, since it uses less digits than its factorization.

1018880487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891542 (or 891539 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 45.

The square root of 1018880487 is about 31919.9073776852. The cubic root of 1018880487 is about 1006.2542978765.

The spelling of 1018880487 in words is "one billion, eighteen million, eight hundred eighty thousand, four hundred eighty-seven".