677400133 has 4 divisors (see below), whose sum is σ = 677453868. Its totient is φ = 677346400.

The previous prime is 677400121. The next prime is 677400151. The reversal of 677400133 is 331004776.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 187087684 + 490312449 = 13678^2 + 22143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677400133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677400095 and 677400104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677440133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435 + ... + 36967.

It is an arithmetic number, because the mean of its divisors is an integer number (169363467).

Almost surely, 2^677400133 is an apocalyptic number.

It is an amenable number.

677400133 is a deficient number, since it is larger than the sum of its proper divisors (53735).

677400133 is a wasteful number, since it uses less digits than its factorization.

677400133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53734.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 677400133 is about 26026.9117069237. The cubic root of 677400133 is about 878.2437999425.

The spelling of 677400133 in words is "six hundred seventy-seven million, four hundred thousand, one hundred thirty-three".