677089045984042 has 16 divisors (see below), whose sum is σ = 1079258946533640. Its totient is φ = 317479849970688.

The previous prime is 677089045984003. The next prime is 677089045984103. The reversal of 677089045984042 is 240489540980776.

It can be written as a sum of positive squares in 4 ways, for example, as 646047222016681 + 31041823967361 = 25417459^2 + 5571519^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35946531567 + ... + 35946550402.

Almost surely, 2^{677089045984042} is an apocalyptic number.

677089045984042 is a deficient number, since it is larger than the sum of its proper divisors (402169900549598).

677089045984042 is a wasteful number, since it uses less digits than its factorization.

677089045984042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71893082265.

The product of its (nonzero) digits is 975421440, while the sum is 73.

The spelling of 677089045984042 in words is "six hundred seventy-seven trillion, eighty-nine billion, forty-five million, nine hundred eighty-four thousand, forty-two".