6780013897 has 8 divisors (see below), whose sum is σ = 6799358720. Its totient is φ = 6760687680.

The previous prime is 6780013883. The next prime is 6780013921. The reversal of 6780013897 is 7983100876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6780013897 - 2²⁷ = 6645796169 is a prime.

It is a super-4 number, since 4×6780013897⁴ (a number of 40 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6780013897.

It is not an unprimeable number, because it can be changed into a prime (6780013397) 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, 1042897 + ... + 1049377.

It is an arithmetic number, because the mean of its divisors is an integer number (849919840).

Almost surely, 2^6780013897 is an apocalyptic number.

It is an amenable number.

6780013897 is a deficient number, since it is larger than the sum of its proper divisors (19344823).

6780013897 is a wasteful number, since it uses less digits than its factorization.

6780013897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 6780013897 is about 82340.8397880420. The cubic root of 6780013897 is about 1892.6785548633.

The spelling of 6780013897 in words is "six billion, seven hundred eighty million, thirteen thousand, eight hundred ninety-seven".