30775978006 has 8 divisors (see below), whose sum is σ = 46178543880. Its totient is φ = 15383130048.

The previous prime is 30775978001. The next prime is 30775978007. The reversal of 30775978006 is 60087957703.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30775978001) 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, 2421556 + ... + 2434231.

It is an arithmetic number, because the mean of its divisors is an integer number (5772317985).

Almost surely, 2^30775978006 is an apocalyptic number.

30775978006 is a deficient number, since it is larger than the sum of its proper divisors (15402565874).

30775978006 is a wasteful number, since it uses less digits than its factorization.

30775978006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858958.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 30775978006 in words is "thirty billion, seven hundred seventy-five million, nine hundred seventy-eight thousand, six".