670772873652 has 96 divisors (see below), whose sum is σ = 1805390426112. Its totient is φ = 189871537536.

The previous prime is 670772873599. The next prime is 670772873677. The reversal of 670772873652 is 256378277076.

670772873652 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4263093 + ... + 4417635.

It is an arithmetic number, because the mean of its divisors is an integer number (18806150272).

Almost surely, 2^670772873652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670772873652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902695213056).

670772873652 is an abundant number, since it is smaller than the sum of its proper divisors (1134617552460).

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

670772873652 is a wasteful number, since it uses less digits than its factorization.

670772873652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155037 (or 155035 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 60.

The spelling of 670772873652 in words is "six hundred seventy billion, seven hundred seventy-two million, eight hundred seventy-three thousand, six hundred fifty-two".