770066699 has 4 divisors (see below), whose sum is σ = 770131320. Its totient is φ = 770002080.

The previous prime is 770066683. The next prime is 770066741. The reversal of 770066699 is 996660077.

It is a happy number.

770066699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 770066699 - 2⁴ = 770066683 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (770066669) 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, 8669 + ... + 40190.

It is an arithmetic number, because the mean of its divisors is an integer number (192532830).

Almost surely, 2^770066699 is an apocalyptic number.

770066699 is a deficient number, since it is larger than the sum of its proper divisors (64621).

770066699 is a wasteful number, since it uses less digits than its factorization.

770066699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64620.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 770066699 is about 27750.0756575545. The cubic root of 770066699 is about 916.5921096092.

The spelling of 770066699 in words is "seven hundred seventy million, sixty-six thousand, six hundred ninety-nine".