4987687320 has 512 divisors, whose sum is σ = 21301401600. Its totient is φ = 1007769600.

The previous prime is 4987687277. The next prime is 4987687339. The reversal of 4987687320 is 237867894.

4987687320 is a `hidden beast` number, since 498 + 7 + 68 + 73 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3076110 + ... + 3077730.

It is an arithmetic number, because the mean of its divisors is an integer number (41604300).

Almost surely, 2^4987687320 is an apocalyptic number.

4987687320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4987687320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10650700800).

4987687320 is an abundant number, since it is smaller than the sum of its proper divisors (16313714280).

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

4987687320 is a wasteful number, since it uses less digits than its factorization.

4987687320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 4987687320 is about 70623.5606578994. The cubic root of 4987687320 is about 1708.5711671623.

The spelling of 4987687320 in words is "four billion, nine hundred eighty-seven million, six hundred eighty-seven thousand, three hundred twenty".