677451242 has 16 divisors (see below), whose sum is σ = 1109338440. Its totient is φ = 308385792.

The previous prime is 677451233. The next prime is 677451263. The reversal of 677451242 is 242154776.

It can be written as a sum of positive squares in 4 ways, for example, as 369062521 + 308388721 = 19211^2 + 17561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 677451196 and 677451205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176567 + ... + 180362.

Almost surely, 2^677451242 is an apocalyptic number.

677451242 is a deficient number, since it is larger than the sum of its proper divisors (431887198).

677451242 is a wasteful number, since it uses less digits than its factorization.

677451242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357017.

The product of its digits is 94080, while the sum is 38.

The square root of 677451242 is about 26027.8935375109. The cubic root of 677451242 is about 878.2658868556.

The spelling of 677451242 in words is "six hundred seventy-seven million, four hundred fifty-one thousand, two hundred forty-two".