768066077 has 4 divisors (see below), whose sum is σ = 771449856. Its totient is φ = 764682300.

The previous prime is 768066031. The next prime is 768066097. The reversal of 768066077 is 770660867.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 768066077 - 2⁸ = 768065821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768066007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691549 + ... + 1692002.

It is an arithmetic number, because the mean of its divisors is an integer number (192862464).

Almost surely, 2^768066077 is an apocalyptic number.

It is an amenable number.

768066077 is a deficient number, since it is larger than the sum of its proper divisors (3383779).

768066077 is a wasteful number, since it uses less digits than its factorization.

768066077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383778.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 768066077 is about 27714.0050696394. The cubic root of 768066077 is about 915.7976569294.

The spelling of 768066077 in words is "seven hundred sixty-eight million, sixty-six thousand, seventy-seven".