486891880 has 32 divisors (see below), whose sum is σ = 1125118440. Its totient is φ = 189492480.

The previous prime is 486891863. The next prime is 486891949. The reversal of 486891880 is 88198684.

It can be written as a sum of positive squares in 4 ways, for example, as 351262564 + 135629316 = 18742^2 + 11646^2 .

It is a Smith number, since the sum of its digits (52) 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 7 ways as a sum of consecutive naturals, for example, 163011 + ... + 165970.

Almost surely, 2^486891880 is an apocalyptic number.

486891880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

486891880 is an abundant number, since it is smaller than the sum of its proper divisors (638226560).

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

486891880 is a wasteful number, since it uses less digits than its factorization.

486891880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329029 (or 329025 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 52.

The square root of 486891880 is about 22065.6266622999. The cubic root of 486891880 is about 786.7030681550.

The spelling of 486891880 in words is "four hundred eighty-six million, eight hundred ninety-one thousand, eight hundred eighty".