770344489 has 4 divisors (see below), whose sum is σ = 772183440. Its totient is φ = 768505540.

The previous prime is 770344483. The next prime is 770344501. The reversal of 770344489 is 984443077.

770344489 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 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 770344489 - 2⁵ = 770344457 is a prime.

It is a super-2 number, since 2×770344489² = 1186861263465342242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770344483) 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, 918847 + ... + 919684.

It is an arithmetic number, because the mean of its divisors is an integer number (193045860).

Almost surely, 2^770344489 is an apocalyptic number.

It is an amenable number.

770344489 is a deficient number, since it is larger than the sum of its proper divisors (1838951).

770344489 is a wasteful number, since it uses less digits than its factorization.

770344489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838950.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 770344489 is about 27755.0804178262. The cubic root of 770344489 is about 916.7023119729.

The spelling of 770344489 in words is "seven hundred seventy million, three hundred forty-four thousand, four hundred eighty-nine".