677406583402 has 4 divisors (see below), whose sum is σ = 1016109875106. Its totient is φ = 338703291700.

The previous prime is 677406583397. The next prime is 677406583453. The reversal of 677406583402 is 204385604776.

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., 446650285761 + 230756297641 = 668319^2 + 480371^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 677406583402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169351645849 + ... + 169351645852.

Almost surely, 2^677406583402 is an apocalyptic number.

677406583402 is a deficient number, since it is larger than the sum of its proper divisors (338703291704).

677406583402 is a wasteful number, since it uses less digits than its factorization.

677406583402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338703291703.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 677406583402 in words is "six hundred seventy-seven billion, four hundred six million, five hundred eighty-three thousand, four hundred two".