487297680 has 80 divisors (see below), whose sum is σ = 1559376384. Its totient is φ = 125752320.

The previous prime is 487297663. The next prime is 487297691. The reversal of 487297680 is 86792784.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25309 + ... + 40188.

Almost surely, 2^487297680 is an apocalyptic number.

487297680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487297680 is an abundant number, since it is smaller than the sum of its proper divisors (1072078704).

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

487297680 is a wasteful number, since it uses less digits than its factorization.

487297680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65544 (or 65538 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 487297680 is about 22074.8200445666. The cubic root of 487297680 is about 786.9215666676.

The spelling of 487297680 in words is "four hundred eighty-seven million, two hundred ninety-seven thousand, six hundred eighty".