768077745 has 8 divisors (see below), whose sum is σ = 1228924416. Its totient is φ = 409641456.

The previous prime is 768077741. The next prime is 768077771. The reversal of 768077745 is 547770867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 768077745 - 2² = 768077741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768077741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25602577 + ... + 25602606.

It is an arithmetic number, because the mean of its divisors is an integer number (153615552).

Almost surely, 2^768077745 is an apocalyptic number.

It is an amenable number.

768077745 is a deficient number, since it is larger than the sum of its proper divisors (460846671).

768077745 is a wasteful number, since it uses less digits than its factorization.

768077745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51205191.

The product of its (nonzero) digits is 2304960, while the sum is 51.

The square root of 768077745 is about 27714.2155761263. The cubic root of 768077745 is about 915.8022943225.

The spelling of 768077745 in words is "seven hundred sixty-eight million, seventy-seven thousand, seven hundred forty-five".