677477 has 4 divisors (see below), whose sum is σ = 681216. Its totient is φ = 673740.

The previous prime is 677473. The next prime is 677531. The reversal of 677477 is 774776.

677477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677477 - 2² = 677473 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 677477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 1964.

It is an arithmetic number, because the mean of its divisors is an integer number (170304).

2⁶⁷⁷⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

677477 is a deficient number, since it is larger than the sum of its proper divisors (3739).

677477 is a wasteful number, since it uses less digits than its factorization.

677477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738.

The product of its digits is 57624, while the sum is 38.

The square root of 677477 is about 823.0899100341. The cubic root of 677477 is about 87.8277017834.

The spelling of 677477 in words is "six hundred seventy-seven thousand, four hundred seventy-seven".