765802428 has 24 divisors (see below), whose sum is σ = 1830455760. Its totient is φ = 249041280.

The previous prime is 765802403. The next prime is 765802447. The reversal of 765802428 is 824208567.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 765802428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777763 + ... + 778746.

It is an arithmetic number, because the mean of its divisors is an integer number (76268990).

Almost surely, 2^765802428 is an apocalyptic number.

It is an amenable number.

765802428 is an abundant number, since it is smaller than the sum of its proper divisors (1064653332).

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

765802428 is a wasteful number, since it uses less digits than its factorization.

765802428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556557 (or 1556555 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 765802428 is about 27673.1354927482. The cubic root of 765802428 is about 914.8970901611.

The spelling of 765802428 in words is "seven hundred sixty-five million, eight hundred two thousand, four hundred twenty-eight".