6861766263 has 16 divisors (see below), whose sum is σ = 9983366400. Its totient is φ = 4157556480.

The previous prime is 6861766243. The next prime is 6861766271. The reversal of 6861766263 is 3626671686.

It is not a de Polignac number, because 6861766263 - 2⁶ = 6861766199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6861766213) 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, 111078 + ... + 161436.

It is an arithmetic number, because the mean of its divisors is an integer number (623960400).

Almost surely, 2^6861766263 is an apocalyptic number.

6861766263 is a deficient number, since it is larger than the sum of its proper divisors (3121600137).

6861766263 is a wasteful number, since it uses less digits than its factorization.

6861766263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54502.

The product of its digits is 2612736, while the sum is 51.

The square root of 6861766263 is about 82835.7788820749. The cubic root of 6861766263 is about 1900.2553916160.

The spelling of 6861766263 in words is "six billion, eight hundred sixty-one million, seven hundred sixty-six thousand, two hundred sixty-three".