476778 has 16 divisors (see below), whose sum is σ = 960480. Its totient is φ = 157776.

The previous prime is 476759. The next prime is 476783. The reversal of 476778 is 877674.

It is a happy number.

It is a super-2 number, since 2×476778² = 454634522568, which contains 22 as substring.

It is an unprimeable number.

476778 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, 1201 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (60030).

2⁴⁷⁶⁷⁷⁸ is an apocalyptic number.

476778 is an abundant number, since it is smaller than the sum of its proper divisors (483702).

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

476778 is a wasteful number, since it uses less digits than its factorization.

476778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its digits is 65856, while the sum is 39.

The square root of 476778 is about 690.4911295592. The cubic root of 476778 is about 78.1217690397.

The spelling of 476778 in words is "four hundred seventy-six thousand, seven hundred seventy-eight".