887978740 has 48 divisors (see below), whose sum is σ = 2055299904. Its totient is φ = 319564800.

The previous prime is 887978713. The next prime is 887978743. The reversal of 887978740 is 47879788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887978743) 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 15 ways as a sum of consecutive naturals, for example, 535 + ... + 42145.

It is an arithmetic number, because the mean of its divisors is an integer number (42818748).

Almost surely, 2^887978740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 887978740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027649952).

887978740 is an abundant number, since it is smaller than the sum of its proper divisors (1167321164).

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

887978740 is a wasteful number, since it uses less digits than its factorization.

887978740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41728 (or 41726 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 58.

The square root of 887978740 is about 29798.9721299242. The cubic root of 887978740 is about 961.1714360088.

The spelling of 887978740 in words is "eight hundred eighty-seven million, nine hundred seventy-eight thousand, seven hundred forty".