647057023060 has 192 divisors, whose sum is σ = 1624912773120. Its totient is φ = 211748866560.

The previous prime is 647057023057. The next prime is 647057023061. The reversal of 647057023060 is 60320750746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647057023061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 345833925 + ... + 345835795.

It is an arithmetic number, because the mean of its divisors is an integer number (8463087360).

Almost surely, 2^647057023060 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 647057023060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812456386560).

647057023060 is an abundant number, since it is smaller than the sum of its proper divisors (977855750060).

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

647057023060 is a wasteful number, since it uses less digits than its factorization.

647057023060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 647057023060 in words is "six hundred forty-seven billion, fifty-seven million, twenty-three thousand, sixty".