6905487728975 has 24 divisors (see below), whose sum is σ = 9569076758640. Its totient is φ = 4899680864000.

The previous prime is 6905487728957. The next prime is 6905487728989. The reversal of 6905487728975 is 5798277845096.

It is not a de Polignac number, because 6905487728975 - 2⁸ = 6905487728719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6905487728896 and 6905487728905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306218780 + ... + 306241329.

It is an arithmetic number, because the mean of its divisors is an integer number (398711531610).

Almost surely, 2^{6905487728975} is an apocalyptic number.

6905487728975 is a deficient number, since it is larger than the sum of its proper divisors (2663589029665).

6905487728975 is a wasteful number, since it uses less digits than its factorization.

6905487728975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612460171 (or 612460166 counting only the distinct ones).

The product of its (nonzero) digits is 2133734400, while the sum is 77.

The spelling of 6905487728975 in words is "six trillion, nine hundred five billion, four hundred eighty-seven million, seven hundred twenty-eight thousand, nine hundred seventy-five".