6780366845 has 16 divisors (see below), whose sum is σ = 9390860928. Its totient is φ = 4603358400.

The previous prime is 6780366821. The next prime is 6780366877. The reversal of 6780366845 is 5486630876.

It is not a de Polignac number, because 6780366845 - 2¹⁴ = 6780350461 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 955499 + ... + 962568.

It is an arithmetic number, because the mean of its divisors is an integer number (586928808).

Almost surely, 2^6780366845 is an apocalyptic number.

It is an amenable number.

6780366845 is a deficient number, since it is larger than the sum of its proper divisors (2610494083).

6780366845 is a wasteful number, since it uses less digits than its factorization.

6780366845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918180.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The square root of 6780366845 is about 82342.9829736572. The cubic root of 6780366845 is about 1892.7113967586.

The spelling of 6780366845 in words is "six billion, seven hundred eighty million, three hundred sixty-six thousand, eight hundred forty-five".