487505784 has 64 divisors (see below), whose sum is σ = 1259107200. Its totient is φ = 157175424.

The previous prime is 487505771. The next prime is 487505789.

487505784 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487505789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157419 + ... + 160485.

It is an arithmetic number, because the mean of its divisors is an integer number (19673550).

Almost surely, 2^487505784 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 487505784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629553600).

487505784 is an abundant number, since it is smaller than the sum of its proper divisors (771601416).

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

487505784 is a wasteful number, since it uses less digits than its factorization.

487505784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292 (or 3288 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 48.

The square root of 487505784 is about 22079.5331472384. The cubic root of 487505784 is about 787.0335709080.

The spelling of 487505784 in words is "four hundred eighty-seven million, five hundred five thousand, seven hundred eighty-four".