677437434 has 12 divisors (see below), whose sum is σ = 1467781146. Its totient is φ = 225812472.

The previous prime is 677437429. The next prime is 677437459. The reversal of 677437434 is 434734776.

It can be written as a sum of positive squares in only one way, i.e., 635796225 + 41641209 = 25215^2 + 6453^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 677437434.

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 in 5 ways as a sum of consecutive naturals, for example, 18817689 + ... + 18817724.

Almost surely, 2^677437434 is an apocalyptic number.

677437434 is an abundant number, since it is smaller than the sum of its proper divisors (790343712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677437434 is a wasteful number, since it uses less digits than its factorization.

677437434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37635421 (or 37635418 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 45.

The square root of 677437434 is about 26027.6282822696. The cubic root of 677437434 is about 878.2599197951.

The spelling of 677437434 in words is "six hundred seventy-seven million, four hundred thirty-seven thousand, four hundred thirty-four".