770451648 has 28 divisors (see below), whose sum is σ = 2038487160. Its totient is φ = 256817152.

The previous prime is 770451641. The next prime is 770451673. The reversal of 770451648 is 846154077.

It is not an unprimeable number, because it can be changed into a prime (770451641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006193 + ... + 2006576.

Almost surely, 2^770451648 is an apocalyptic number.

It is an amenable number.

770451648 is an abundant number, since it is smaller than the sum of its proper divisors (1268035512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770451648 is a wasteful number, since it uses less digits than its factorization.

770451648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012784 (or 4012774 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 770451648 is about 27757.0107900689. The cubic root of 770451648 is about 916.7448160517.

The spelling of 770451648 in words is "seven hundred seventy million, four hundred fifty-one thousand, six hundred forty-eight".