6497120877805 has 8 divisors (see below), whose sum is σ = 7807038388992. Its totient is φ = 5190701145168.

The previous prime is 6497120877803. The next prime is 6497120877827. The reversal of 6497120877805 is 5087780217946.

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 6497120877805 - 2¹ = 6497120877803 is a prime.

It is a super-2 number, since 2×6497120877805² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497120877803) 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, 874440549 + ... + 874447978.

It is an arithmetic number, because the mean of its divisors is an integer number (975879798624).

Almost surely, 2^{6497120877805} is an apocalyptic number.

It is an amenable number.

6497120877805 is a deficient number, since it is larger than the sum of its proper divisors (1309917511187).

6497120877805 is a wasteful number, since it uses less digits than its factorization.

6497120877805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748889275.

The product of its (nonzero) digits is 47416320, while the sum is 64.

The spelling of 6497120877805 in words is "six trillion, four hundred ninety-seven billion, one hundred twenty million, eight hundred seventy-seven thousand, eight hundred five".