768546533 has 2 divisors, whose sum is σ = 768546534. Its totient is φ = 768546532.

The previous prime is 768546479. The next prime is 768546553. The reversal of 768546533 is 335645867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 768509284 + 37249 = 27722^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 768546533 - 2¹⁰ = 768545509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768546553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384273266 + 384273267.

It is an arithmetic number, because the mean of its divisors is an integer number (384273267).

Almost surely, 2^768546533 is an apocalyptic number.

It is an amenable number.

768546533 is a deficient number, since it is larger than the sum of its proper divisors (1).

768546533 is an equidigital number, since it uses as much as digits as its factorization.

768546533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 47.

The square root of 768546533 is about 27722.6718228961. The cubic root of 768546533 is about 915.9885731271.

The spelling of 768546533 in words is "seven hundred sixty-eight million, five hundred forty-six thousand, five hundred thirty-three".