487694880 has 144 divisors (see below), whose sum is σ = 1676165400. Its totient is φ = 129122304.

The previous prime is 487694849. The next prime is 487694899. The reversal of 487694880 is 88496784.

It can be written as a sum of positive squares in 4 ways, for example, as 392515344 + 95179536 = 19812^2 + 9756^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213424 + ... + 215696.

Almost surely, 2^487694880 is an apocalyptic number.

487694880 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 487694880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838082700).

487694880 is an abundant number, since it is smaller than the sum of its proper divisors (1188470520).

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

487694880 is a wasteful number, since it uses less digits than its factorization.

487694880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 487694880 is about 22083.8148878313. The cubic root of 487694880 is about 787.1353171620.

The spelling of 487694880 in words is "four hundred eighty-seven million, six hundred ninety-four thousand, eight hundred eighty".