6885961755 has 16 divisors (see below), whose sum is σ = 11031143424. Its totient is φ = 3667978080.

The previous prime is 6885961751. The next prime is 6885961787. The reversal of 6885961755 is 5571695886.

It is not a de Polignac number, because 6885961755 - 2² = 6885961751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6885961751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270859 + ... + 295188.

It is an arithmetic number, because the mean of its divisors is an integer number (689446464).

Almost surely, 2^6885961755 is an apocalyptic number.

6885961755 is a deficient number, since it is larger than the sum of its proper divisors (4145181669).

6885961755 is a wasteful number, since it uses less digits than its factorization.

6885961755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566866.

The product of its digits is 18144000, while the sum is 60.

The square root of 6885961755 is about 82981.6953008313. The cubic root of 6885961755 is about 1902.4862884891.

The spelling of 6885961755 in words is "six billion, eight hundred eighty-five million, nine hundred sixty-one thousand, seven hundred fifty-five".