677238245670 has 32 divisors (see below), whose sum is σ = 1857567760128. Its totient is φ = 154797313248.

The previous prime is 677238245623. The next prime is 677238245759. The reversal of 677238245670 is 76542832776.

677238245670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 677238245670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612471804 + ... + 1612472223.

It is an arithmetic number, because the mean of its divisors is an integer number (58048992504).

Almost surely, 2^677238245670 is an apocalyptic number.

677238245670 is an abundant number, since it is smaller than the sum of its proper divisors (1180329514458).

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

677238245670 is a wasteful number, since it uses less digits than its factorization.

677238245670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224944044.

The product of its (nonzero) digits is 23708160, while the sum is 57.

The spelling of 677238245670 in words is "six hundred seventy-seven billion, two hundred thirty-eight million, two hundred forty-five thousand, six hundred seventy".