9778825748 has 24 divisors (see below), whose sum is σ = 18230772672. Its totient is φ = 4573563264.

The previous prime is 9778825717. The next prime is 9778825769. The reversal of 9778825748 is 8475288779.

It is a super-3 number, since 3×9778825748³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430040 + ... + 452207.

It is an arithmetic number, because the mean of its divisors is an integer number (759615528).

Almost surely, 2^9778825748 is an apocalyptic number.

It is an amenable number.

9778825748 is a deficient number, since it is larger than the sum of its proper divisors (8451946924).

9778825748 is a wasteful number, since it uses less digits than its factorization.

9778825748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882431 (or 882429 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 65.

The square root of 9778825748 is about 98887.9454129774. The cubic root of 9778825748 is about 2138.4326127332.

The spelling of 9778825748 in words is "nine billion, seven hundred seventy-eight million, eight hundred twenty-five thousand, seven hundred forty-eight".