677363042 has 4 divisors (see below), whose sum is σ = 1016044566. Its totient is φ = 338681520.

The previous prime is 677363023. The next prime is 677363077. The reversal of 677363042 is 240363776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 517062121 + 160300921 = 22739^2 + 12661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 677362987 and 677363005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169340759 + ... + 169340762.

Almost surely, 2^677363042 is an apocalyptic number.

677363042 is a deficient number, since it is larger than the sum of its proper divisors (338681524).

677363042 is a wasteful number, since it uses less digits than its factorization.

677363042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338681523.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 677363042 is about 26026.1991462449. The cubic root of 677363042 is about 878.2277702560.

The spelling of 677363042 in words is "six hundred seventy-seven million, three hundred sixty-three thousand, forty-two".