1009880287 has 12 divisors (see below), whose sum is σ = 1097745264. Its totient is φ = 928611840.

The previous prime is 1009880281. The next prime is 1009880309. The reversal of 1009880287 is 7820889001.

It is not a de Polignac number, because 1009880287 - 2³ = 1009880279 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 (1009880281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33087 + ... + 55807.

It is an arithmetic number, because the mean of its divisors is an integer number (91478772).

Almost surely, 2^1009880287 is an apocalyptic number.

1009880287 is a deficient number, since it is larger than the sum of its proper divisors (87864977).

1009880287 is a wasteful number, since it uses less digits than its factorization.

1009880287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23010 (or 22997 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 1009880287 is about 31778.6136733496. The cubic root of 1009880287 is about 1003.2826414740.

The spelling of 1009880287 in words is "one billion, nine million, eight hundred eighty thousand, two hundred eighty-seven".