769297575648 has 48 divisors (see below), whose sum is σ = 2307892728960. Its totient is φ = 219799307136.

The previous prime is 769297575551. The next prime is 769297575649. The reversal of 769297575648 is 846575792967.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 769297575648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769297575649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572393358 + ... + 572394701.

It is an arithmetic number, because the mean of its divisors is an integer number (48081098520).

Almost surely, 2^769297575648 is an apocalyptic number.

It is an amenable number.

769297575648 is an abundant number, since it is smaller than the sum of its proper divisors (1538595153312).

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

769297575648 is a wasteful number, since it uses less digits than its factorization.

769297575648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144788079 (or 1144788071 counting only the distinct ones).

The product of its digits is 1600300800, while the sum is 75.

The spelling of 769297575648 in words is "seven hundred sixty-nine billion, two hundred ninety-seven million, five hundred seventy-five thousand, six hundred forty-eight".