9778925924 has 12 divisors (see below), whose sum is σ = 17128871424. Its totient is φ = 4884962664.

The previous prime is 9778925899. The next prime is 9778925927. The reversal of 9778925924 is 4295298779.

It is not an unprimeable number, because it can be changed into a prime (9778925927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120184 + ... + 1128879.

It is an arithmetic number, because the mean of its divisors is an integer number (1427405952).

Almost surely, 2^9778925924 is an apocalyptic number.

It is an amenable number.

9778925924 is a deficient number, since it is larger than the sum of its proper divisors (7349945500).

9778925924 is a wasteful number, since it uses less digits than its factorization.

9778925924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250154 (or 2250152 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 62.

The square root of 9778925924 is about 98888.4519243779. The cubic root of 9778925924 is about 2138.4399148674.

The spelling of 9778925924 in words is "nine billion, seven hundred seventy-eight million, nine hundred twenty-five thousand, nine hundred twenty-four".