768121267 has 2 divisors, whose sum is σ = 768121268. Its totient is φ = 768121266.

The previous prime is 768121213. The next prime is 768121283. The reversal of 768121267 is 762121867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 768121267 - 2²⁷ = 633903539 is a prime.

It is a super-3 number, since 3×768121267³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (768101267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384060633 + 384060634.

It is an arithmetic number, because the mean of its divisors is an integer number (384060634).

Almost surely, 2^768121267 is an apocalyptic number.

768121267 is a deficient number, since it is larger than the sum of its proper divisors (1).

768121267 is an equidigital number, since it uses as much as digits as its factorization.

768121267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

The square root of 768121267 is about 27715.0007577124. Note that the first 3 decimals coincide. The cubic root of 768121267 is about 915.8195915275.

The spelling of 768121267 in words is "seven hundred sixty-eight million, one hundred twenty-one thousand, two hundred sixty-seven".