687483883944 has 384 divisors, whose sum is σ = 2316883651200. Its totient is φ = 187101757440.

The previous prime is 687483883859. The next prime is 687483883949. The reversal of 687483883944 is 449388384786.

687483883944 is a `hidden beast` number, since 6 + 87 + 4 + 83 + 88 + 394 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (687483883949) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14833992 + ... + 14880264.

It is an arithmetic number, because the mean of its divisors is an integer number (6033551175).

Almost surely, 2^687483883944 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 687483883944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1158441825600).

687483883944 is an abundant number, since it is smaller than the sum of its proper divisors (1629399767256).

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

687483883944 is a wasteful number, since it uses less digits than its factorization.

687483883944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46362 (or 46339 counting only the distinct ones).

The product of its digits is 891813888, while the sum is 72.

The spelling of 687483883944 in words is "six hundred eighty-seven billion, four hundred eighty-three million, eight hundred eighty-three thousand, nine hundred forty-four".