769242886560 has 120 divisors (see below), whose sum is σ = 2714786399556. Its totient is φ = 205131432960.

The previous prime is 769242886523. The next prime is 769242886567. The reversal of 769242886560 is 65688242967.

769242886560 is a `hidden beast` number, since 7 + 6 + 92 + 428 + 8 + 65 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 721758990096 + 47483896464 = 849564^2 + 217908^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×769242886560² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (769242886567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29664621 + ... + 29690540.

Almost surely, 2^769242886560 is an apocalyptic number.

It is an amenable number.

769242886560 is an abundant number, since it is smaller than the sum of its proper divisors (1945543512996).

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

769242886560 is a wasteful number, since it uses less digits than its factorization.

769242886560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59355188 (or 59355171 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 769242886560 in words is "seven hundred sixty-nine billion, two hundred forty-two million, eight hundred eighty-six thousand, five hundred sixty".