681886283 has 16 divisors (see below), whose sum is σ = 761292000. Its totient is φ = 606652416.

The previous prime is 681886279. The next prime is 681886291. The reversal of 681886283 is 382688186.

It is a cyclic number.

It is not a de Polignac number, because 681886283 - 2² = 681886279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (681886273) 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, 44843 + ... + 58091.

It is an arithmetic number, because the mean of its divisors is an integer number (47580750).

Almost surely, 2^681886283 is an apocalyptic number.

681886283 is a deficient number, since it is larger than the sum of its proper divisors (79405717).

681886283 is a wasteful number, since it uses less digits than its factorization.

681886283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406.

The product of its digits is 884736, while the sum is 50.

The square root of 681886283 is about 26112.9523991448. The cubic root of 681886283 is about 880.1782881704.

The spelling of 681886283 in words is "six hundred eighty-one million, eight hundred eighty-six thousand, two hundred eighty-three".