9777578741 has 8 divisors (see below), whose sum is σ = 11181555840. Its totient is φ = 8375396688.

The previous prime is 9777578731. The next prime is 9777578791. The reversal of 9777578741 is 1478757779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9777578741 - 2⁶ = 9777578677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9777578711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437066 + ... + 458891.

It is an arithmetic number, because the mean of its divisors is an integer number (1397694480).

Almost surely, 2^9777578741 is an apocalyptic number.

It is an amenable number.

9777578741 is a deficient number, since it is larger than the sum of its proper divisors (1403977099).

9777578741 is a wasteful number, since it uses less digits than its factorization.

9777578741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897523.

The product of its digits is 24202080, while the sum is 62.

The square root of 9777578741 is about 98881.6400602255. The cubic root of 9777578741 is about 2138.3417104147.

The spelling of 9777578741 in words is "nine billion, seven hundred seventy-seven million, five hundred seventy-eight thousand, seven hundred forty-one".