30778410052 has 12 divisors (see below), whose sum is σ = 58005465196. Its totient is φ = 14205420000.

The previous prime is 30778410049. The next prime is 30778410059. The reversal of 30778410052 is 25001487703.

It can be written as a sum of positive squares in 2 ways, for example, as 15643505476 + 15134904576 = 125074^2 + 123024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30778409993 and 30778410020.

It is not an unprimeable number, because it can be changed into a prime (30778410059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295946199 + ... + 295946302.

Almost surely, 2^30778410052 is an apocalyptic number.

It is an amenable number.

30778410052 is a deficient number, since it is larger than the sum of its proper divisors (27227055144).

30778410052 is a wasteful number, since it uses less digits than its factorization.

30778410052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591892518 (or 591892516 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 30778410052 its reverse (25001487703), we get a palindrome (55779897755).

The spelling of 30778410052 in words is "thirty billion, seven hundred seventy-eight million, four hundred ten thousand, fifty-two".