761866073873 has 2 divisors, whose sum is σ = 761866073874. Its totient is φ = 761866073872.

The previous prime is 761866073863. The next prime is 761866073929. The reversal of 761866073873 is 378370668167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688646043409 + 73220030464 = 829847^2 + 270592^2 .

It is a cyclic number.

It is not a de Polignac number, because 761866073873 - 2²⁰ = 761865025297 is a prime.

It is not a weakly prime, because it can be changed into another prime (761866073863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380933036936 + 380933036937.

It is an arithmetic number, because the mean of its divisors is an integer number (380933036937).

Almost surely, 2^761866073873 is an apocalyptic number.

It is an amenable number.

761866073873 is a deficient number, since it is larger than the sum of its proper divisors (1).

761866073873 is an equidigital number, since it uses as much as digits as its factorization.

761866073873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 761866073873 in words is "seven hundred sixty-one billion, eight hundred sixty-six million, seventy-three thousand, eight hundred seventy-three".