769605564 has 192 divisors, whose sum is σ = 2377088000. Its totient is φ = 192036096.

The previous prime is 769605563. The next prime is 769605581. The reversal of 769605564 is 465506967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769605563) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1016274 + ... + 1017030.

Almost surely, 2^769605564 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 769605564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188544000).

769605564 is an abundant number, since it is smaller than the sum of its proper divisors (1607482436).

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

769605564 is a wasteful number, since it uses less digits than its factorization.

769605564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The square root of 769605564 is about 27741.7656972299. The cubic root of 769605564 is about 916.4091137293.

The spelling of 769605564 in words is "seven hundred sixty-nine million, six hundred five thousand, five hundred sixty-four".