866080793 has 16 divisors (see below), whose sum is σ = 955914624. Its totient is φ = 781228800.

The previous prime is 866080769. The next prime is 866080799. The reversal of 866080793 is 397080668.

It is a cyclic number.

It is not a de Polignac number, because 866080793 - 2¹⁸ = 865818649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (866080799) 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, 31868 + ... + 52418.

It is an arithmetic number, because the mean of its divisors is an integer number (59744664).

Almost surely, 2^866080793 is an apocalyptic number.

It is an amenable number.

866080793 is a deficient number, since it is larger than the sum of its proper divisors (89833831).

866080793 is a wasteful number, since it uses less digits than its factorization.

866080793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20672.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 866080793 is about 29429.2506360594. The cubic root of 866080793 is about 953.2046138037.

The spelling of 866080793 in words is "eight hundred sixty-six million, eighty thousand, seven hundred ninety-three".