769560648 has 32 divisors (see below), whose sum is σ = 2025160800. Its totient is φ = 243019008.

The previous prime is 769560643. The next prime is 769560719. The reversal of 769560648 is 846065967.

It is a self number, because there is not a number n which added to its sum of digits gives 769560648.

It is not an unprimeable number, because it can be changed into a prime (769560643) 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, 843361 + ... + 844272.

It is an arithmetic number, because the mean of its divisors is an integer number (63286275).

Almost surely, 2^769560648 is an apocalyptic number.

It is an amenable number.

769560648 is an abundant number, since it is smaller than the sum of its proper divisors (1255600152).

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

769560648 is a wasteful number, since it uses less digits than its factorization.

769560648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687661 (or 1687657 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 769560648 is about 27740.9561479052. The cubic root of 769560648 is about 916.3912854484.

The spelling of 769560648 in words is "seven hundred sixty-nine million, five hundred sixty thousand, six hundred forty-eight".