481778 has 16 divisors (see below), whose sum is σ = 803520. Its totient is φ = 214800.

The previous prime is 481769. The next prime is 481787. The reversal of 481778 is 877184.

It is an interprime number because it is at equal distance from previous prime (481769) and next prime (481787).

It is a super-2 number, since 2×481778² = 464220082568, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 481778.

It is an unprimeable number.

481778 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2⁴⁸¹⁷⁷⁸ is an apocalyptic number.

481778 is a deficient number, since it is larger than the sum of its proper divisors (321742).

481778 is a wasteful number, since it uses less digits than its factorization.

481778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433.

The product of its digits is 12544, while the sum is 35.

The square root of 481778 is about 694.1022979360. The cubic root of 481778 is about 78.3939091825.

The spelling of 481778 in words is "four hundred eighty-one thousand, seven hundred seventy-eight".