770241665 has 16 divisors (see below), whose sum is σ = 980613120. Its totient is φ = 579156480.

The previous prime is 770241629. The next prime is 770241679. The reversal of 770241665 is 566142077.

770241665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 770241665 - 2⁶ = 770241601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19856 + ... + 43985.

It is an arithmetic number, because the mean of its divisors is an integer number (61288320).

Almost surely, 2^770241665 is an apocalyptic number.

It is an amenable number.

770241665 is a deficient number, since it is larger than the sum of its proper divisors (210371455).

770241665 is a wasteful number, since it uses less digits than its factorization.

770241665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63992.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 770241665 is about 27753.2280104495. The cubic root of 770241665 is about 916.6615236442.

The spelling of 770241665 in words is "seven hundred seventy million, two hundred forty-one thousand, six hundred sixty-five".