770663045 has 4 divisors (see below), whose sum is σ = 924795660. Its totient is φ = 616530432.

The previous prime is 770663041. The next prime is 770663059. The reversal of 770663045 is 540366077.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96845281 + 673817764 = 9841^2 + 25958^2 .

It is a cyclic number.

It is not a de Polignac number, because 770663045 - 2² = 770663041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770663041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77066300 + ... + 77066309.

It is an arithmetic number, because the mean of its divisors is an integer number (231198915).

Almost surely, 2^770663045 is an apocalyptic number.

It is an amenable number.

770663045 is a deficient number, since it is larger than the sum of its proper divisors (154132615).

770663045 is a wasteful number, since it uses less digits than its factorization.

770663045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154132614.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 770663045 is about 27760.8185217943. The cubic root of 770663045 is about 916.8286540543.

The spelling of 770663045 in words is "seven hundred seventy million, six hundred sixty-three thousand, forty-five".