677220048739 has 16 divisors (see below), whose sum is σ = 738885551040. Its totient is φ = 616957839360.

The previous prime is 677220048709. The next prime is 677220048751. The reversal of 677220048739 is 937840022776.

It is a cyclic number.

It is not a de Polignac number, because 677220048739 - 2²¹ = 677217951587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677220048739.

It is not an unprimeable number, because it can be changed into a prime (677220048709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295282 + ... + 1200679.

It is an arithmetic number, because the mean of its divisors is an integer number (46180346940).

Almost surely, 2^677220048739 is an apocalyptic number.

677220048739 is a deficient number, since it is larger than the sum of its proper divisors (61665502301).

677220048739 is a wasteful number, since it uses less digits than its factorization.

677220048739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496430.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 677220048739 in words is "six hundred seventy-seven billion, two hundred twenty million, forty-eight thousand, seven hundred thirty-nine".