987378912 has 72 divisors (see below), whose sum is σ = 3023859384. Its totient is φ = 303807744.

The previous prime is 987378911. The next prime is 987378913. The reversal of 987378912 is 219873789.

987378912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (987378911) and next prime (987378913).

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987378911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128118 + ... + 135605.

It is an arithmetic number, because the mean of its divisors is an integer number (41998047).

Almost surely, 2^987378912 is an apocalyptic number.

It is an amenable number.

987378912 is an abundant number, since it is smaller than the sum of its proper divisors (2036480472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987378912 is a wasteful number, since it uses less digits than its factorization.

987378912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263752 (or 263741 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 987378912 is about 31422.5860170674. The cubic root of 987378912 is about 995.7751464159.

The spelling of 987378912 in words is "nine hundred eighty-seven million, three hundred seventy-eight thousand, nine hundred twelve".