9757775764 has 12 divisors (see below), whose sum is σ = 18628481088. Its totient is φ = 4435352600.

The previous prime is 9757775749. The next prime is 9757775789. The reversal of 9757775764 is 4675777579.

It is a junction number, because it is equal to n+sod(n) for n = 9757775696 and 9757775705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110883772 + ... + 110883859.

It is an arithmetic number, because the mean of its divisors is an integer number (1552373424).

Almost surely, 2^9757775764 is an apocalyptic number.

It is an amenable number.

9757775764 is a deficient number, since it is larger than the sum of its proper divisors (8870705324).

9757775764 is a wasteful number, since it uses less digits than its factorization.

9757775764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221767646 (or 221767644 counting only the distinct ones).

The product of its digits is 90757800, while the sum is 64.

The square root of 9757775764 is about 98781.4545549923. The cubic root of 9757775764 is about 2136.8971076436.

The spelling of 9757775764 in words is "nine billion, seven hundred fifty-seven million, seven hundred seventy-five thousand, seven hundred sixty-four".