769836528 has 160 divisors (see below), whose sum is σ = 2360563200. Its totient is φ = 239500800.

The previous prime is 769836527. The next prime is 769836559. The reversal of 769836528 is 825638967.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769836521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582108 + ... + 583428.

It is an arithmetic number, because the mean of its divisors is an integer number (14753520).

Almost surely, 2^769836528 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 769836528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180281600).

769836528 is an abundant number, since it is smaller than the sum of its proper divisors (1590726672).

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

769836528 is a wasteful number, since it uses less digits than its factorization.

769836528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1416 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 769836528 is about 27745.9281336920. The cubic root of 769836528 is about 916.5007781500.

The spelling of 769836528 in words is "seven hundred sixty-nine million, eight hundred thirty-six thousand, five hundred twenty-eight".