30205205777197 has 8 divisors (see below), whose sum is σ = 32953314939552. Its totient is φ = 27457460175600.

The previous prime is 30205205777143. The next prime is 30205205777213. The reversal of 30205205777197 is 79177750250203.

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 30205205777197 - 2¹¹ = 30205205775149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30205205772197) 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, 90716454 + ... + 91048807.

It is an arithmetic number, because the mean of its divisors is an integer number (4119164367444).

Almost surely, 2^{30205205777197} is an apocalyptic number.

It is an amenable number.

30205205777197 is a deficient number, since it is larger than the sum of its proper divisors (2748109162355).

30205205777197 is a wasteful number, since it uses less digits than its factorization.

30205205777197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181780379.

The product of its (nonzero) digits is 6482700, while the sum is 55.

The spelling of 30205205777197 in words is "thirty trillion, two hundred five billion, two hundred five million, seven hundred seventy-seven thousand, one hundred ninety-seven".