770150644 has 12 divisors (see below), whose sum is σ = 1349903968. Its totient is φ = 384463800.

The previous prime is 770150611. The next prime is 770150707. The reversal of 770150644 is 446051077.

It is a happy number.

It is a super-2 number, since 2×770150644² = 1186264028907229472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 150042 + ... + 155089.

Almost surely, 2^770150644 is an apocalyptic number.

It is an amenable number.

770150644 is a deficient number, since it is larger than the sum of its proper divisors (579753324).

770150644 is a wasteful number, since it uses less digits than its factorization.

770150644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305766 (or 305764 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 770150644 is about 27751.5881347356. The cubic root of 770150644 is about 916.6254143125.

The spelling of 770150644 in words is "seven hundred seventy million, one hundred fifty thousand, six hundred forty-four".