487993399784 has 32 divisors (see below), whose sum is σ = 1006417664640. Its totient is φ = 221815176880.

The previous prime is 487993399769. The next prime is 487993399787.

487993399784 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 487993399699 and 487993399708.

It is not an unprimeable number, because it can be changed into a prime (487993399787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22904144 + ... + 22925439.

It is an arithmetic number, because the mean of its divisors is an integer number (31450552020).

Almost surely, 2^487993399784 is an apocalyptic number.

487993399784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

487993399784 is an abundant number, since it is smaller than the sum of its proper divisors (518424264856).

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

487993399784 is a wasteful number, since it uses less digits than its factorization.

487993399784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45829622 (or 45829596 counting only the distinct ones).

The product of its digits is 2962842624, while the sum is 80.

The spelling of 487993399784 in words is "four hundred eighty-seven billion, nine hundred ninety-three million, three hundred ninety-nine thousand, seven hundred eighty-four".