87883740 has 144 divisors (see below), whose sum is σ = 320785920. Its totient is φ = 19025280.

The previous prime is 87883739. The next prime is 87883753. The reversal of 87883740 is 4738878.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 22105 + ... + 25775.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^87883740 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 87883740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160392960).

87883740 is an abundant number, since it is smaller than the sum of its proper divisors (232902180).

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

87883740 is a wasteful number, since it uses less digits than its factorization.

87883740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 87883740 is about 9374.6327928085. The cubic root of 87883740 is about 444.6000530583.

The spelling of 87883740 in words is "eighty-seven million, eight hundred eighty-three thousand, seven hundred forty".