9461778412 has 24 divisors (see below), whose sum is σ = 16732565136. Its totient is φ = 4681267968.

The previous prime is 9461778407. The next prime is 9461778421. The reversal of 9461778412 is 2148771649.

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, 143943 + ... + 199105.

It is an arithmetic number, because the mean of its divisors is an integer number (697190214).

Almost surely, 2^9461778412 is an apocalyptic number.

It is an amenable number.

9461778412 is a deficient number, since it is larger than the sum of its proper divisors (7270786724).

9461778412 is a wasteful number, since it uses less digits than its factorization.

9461778412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55617 (or 55615 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 9461778412 is about 97271.6732250453. The cubic root of 9461778412 is about 2115.0676251834.

The spelling of 9461778412 in words is "nine billion, four hundred sixty-one million, seven hundred seventy-eight thousand, four hundred twelve".