767648028 has 96 divisors (see below), whose sum is σ = 2111248384. Its totient is φ = 212502528.

The previous prime is 767648027. The next prime is 767648033. The reversal of 767648028 is 820846767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (767648027) 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 31 ways as a sum of consecutive naturals, for example, 1140300 + ... + 1140972.

Almost surely, 2^767648028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 767648028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055624192).

767648028 is an abundant number, since it is smaller than the sum of its proper divisors (1343600356).

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

767648028 is a wasteful number, since it uses less digits than its factorization.

767648028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 767648028 is about 27706.4618455695. The cubic root of 767648028 is about 915.6314742762.

The spelling of 767648028 in words is "seven hundred sixty-seven million, six hundred forty-eight thousand, twenty-eight".