1038880987 has 4 divisors (see below), whose sum is σ = 1038945456. Its totient is φ = 1038816520.

The previous prime is 1038880963. The next prime is 1038881003. The reversal of 1038880987 is 7890888301.

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 not a de Polignac number, because 1038880987 - 2²⁷ = 904663259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1038880937) 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 3 ways as a sum of consecutive naturals, for example, 15537 + ... + 48157.

It is an arithmetic number, because the mean of its divisors is an integer number (259736364).

Almost surely, 2^1038880987 is an apocalyptic number.

1038880987 is a deficient number, since it is larger than the sum of its proper divisors (64469).

1038880987 is an equidigital number, since it uses as much as digits as its factorization.

1038880987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64468.

The product of its (nonzero) digits is 774144, while the sum is 52.

The square root of 1038880987 is about 32231.6767637056. The cubic root of 1038880987 is about 1012.7958956754.

The spelling of 1038880987 in words is "one billion, thirty-eight million, eight hundred eighty thousand, nine hundred eighty-seven".