785477 has 12 divisors (see below), whose sum is σ = 989088. Its totient is φ = 606000.

The previous prime is 785461. The next prime is 785483. The reversal of 785477 is 774587.

It is not a de Polignac number, because 785477 - 2⁴ = 785461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 785477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7727 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (82424).

2⁷⁸⁵⁴⁷⁷ is an apocalyptic number.

785477 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

785477 is a deficient number, since it is larger than the sum of its proper divisors (203611).

785477 is a wasteful number, since it uses less digits than its factorization.

785477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 119 counting only the distinct ones).

The product of its digits is 54880, while the sum is 38.

The square root of 785477 is about 886.2714031266. The cubic root of 785477 is about 92.2665944007.

It can be divided in two parts, 78 and 5477, that added together give a palindrome (5555).

The spelling of 785477 in words is "seven hundred eighty-five thousand, four hundred seventy-seven".