670776620053 has 4 divisors (see below), whose sum is σ = 670778378208. Its totient is φ = 670774861900.

The previous prime is 670776619993. The next prime is 670776620081. The reversal of 670776620053 is 350026677076.

It is a happy number.

670776620053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-670776620053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670776619979 and 670776620006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670776620093) 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, 39523 + ... + 1158928.

It is an arithmetic number, because the mean of its divisors is an integer number (167694594552).

Almost surely, 2^670776620053 is an apocalyptic number.

It is an amenable number.

670776620053 is a deficient number, since it is larger than the sum of its proper divisors (1758155).

670776620053 is a wasteful number, since it uses less digits than its factorization.

670776620053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758154.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 670776620053 in words is "six hundred seventy billion, seven hundred seventy-six million, six hundred twenty thousand, fifty-three".