866805076034307 has 48 divisors (see below), whose sum is σ = 1355516734141440. Its totient is φ = 531779640327936.

The previous prime is 866805076034267. The next prime is 866805076034323. The reversal of 866805076034307 is 703430670508668.

866805076034307 is a `hidden beast` number, since 8 + 6 + 6 + 8 + 0 + 507 + 60 + 34 + 30 + 7 = 666.

It is not a de Polignac number, because 866805076034307 - 2⁶ = 866805076034243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (866805076039307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346880433 + ... + 349370354.

It is an arithmetic number, because the mean of its divisors is an integer number (28239931961280).

Almost surely, 2^{866805076034307} is an apocalyptic number.

866805076034307 is a deficient number, since it is larger than the sum of its proper divisors (488711658107133).

866805076034307 is a wasteful number, since it uses less digits than its factorization.

866805076034307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696250992 (or 696250989 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 866805076034307 in words is "eight hundred sixty-six trillion, eight hundred five billion, seventy-six million, thirty-four thousand, three hundred seven".