30782416897 has 8 divisors (see below), whose sum is σ = 31130803080. Its totient is φ = 30435363840.

The previous prime is 30782416877. The next prime is 30782416909. The reversal of 30782416897 is 79861428703.

It can be written as a sum of positive squares in 4 ways, for example, as 4626801 + 30777790096 = 2151^2 + 175436^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30782416897 is a prime.

It is a super-2 number, since 2×30782416897² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30782416867) 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, 286804 + ... + 379237.

It is an arithmetic number, because the mean of its divisors is an integer number (3891350385).

Almost surely, 2^30782416897 is an apocalyptic number.

It is an amenable number.

30782416897 is a deficient number, since it is larger than the sum of its proper divisors (348386183).

30782416897 is a wasteful number, since it uses less digits than its factorization.

30782416897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666563.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 30782416897 in words is "thirty billion, seven hundred eighty-two million, four hundred sixteen thousand, eight hundred ninety-seven".