6347470765820 has 24 divisors (see below), whose sum is σ = 13329806585424. Its totient is φ = 2538965834496.

The previous prime is 6347470765759. The next prime is 6347470765829. The reversal of 6347470765820 is 285670747436.

It is a self number, because there is not a number n which added to its sum of digits gives 6347470765820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6347470765829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013219 + ... + 3704261.

It is an arithmetic number, because the mean of its divisors is an integer number (555408607726).

Almost surely, 2^{6347470765820} is an apocalyptic number.

It is an amenable number.

6347470765820 is an abundant number, since it is smaller than the sum of its proper divisors (6982335819604).

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

6347470765820 is a wasteful number, since it uses less digits than its factorization.

6347470765820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808989 (or 2808987 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 59.

The spelling of 6347470765820 in words is "six trillion, three hundred forty-seven billion, four hundred seventy million, seven hundred sixty-five thousand, eight hundred twenty".