6780479970 has 32 divisors (see below), whose sum is σ = 17752530240. Its totient is φ = 1643752640.

The previous prime is 6780479963. The next prime is 6780479989. The reversal of 6780479970 is 799740876.

It is a self number, because there is not a number n which added to its sum of digits gives 6780479970.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10273125 + ... + 10273784.

It is an arithmetic number, because the mean of its divisors is an integer number (554766570).

Almost surely, 2^6780479970 is an apocalyptic number.

6780479970 is an abundant number, since it is smaller than the sum of its proper divisors (10972050270).

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

6780479970 is a wasteful number, since it uses less digits than its factorization.

6780479970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20546930.

The product of its (nonzero) digits is 5334336, while the sum is 57.

The square root of 6780479970 is about 82343.6698842115. The cubic root of 6780479970 is about 1892.7219228256.

The spelling of 6780479970 in words is "six billion, seven hundred eighty million, four hundred seventy-nine thousand, nine hundred seventy".