677244652377 has 4 divisors (see below), whose sum is σ = 902992869840. Its totient is φ = 451496434916.

The previous prime is 677244652369. The next prime is 677244652379. The reversal of 677244652377 is 773256442776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677244652377 - 2³ = 677244652369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677244652377.

It is not an unprimeable number, because it can be changed into a prime (677244652379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112874108727 + ... + 112874108732.

It is an arithmetic number, because the mean of its divisors is an integer number (225748217460).

Almost surely, 2^677244652377 is an apocalyptic number.

It is an amenable number.

677244652377 is a deficient number, since it is larger than the sum of its proper divisors (225748217463).

677244652377 is a wasteful number, since it uses less digits than its factorization.

677244652377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225748217462.

The product of its digits is 82978560, while the sum is 60.

The spelling of 677244652377 in words is "six hundred seventy-seven billion, two hundred forty-four million, six hundred fifty-two thousand, three hundred seventy-seven".