30275787612 has 96 divisors (see below), whose sum is σ = 83345213952. Its totient is φ = 8374173696.

The previous prime is 30275787599. The next prime is 30275787613. The reversal of 30275787612 is 21678757203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30275787613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371068 + ... + 445244.

It is an arithmetic number, because the mean of its divisors is an integer number (868179312).

Almost surely, 2^30275787612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30275787612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41672606976).

30275787612 is an abundant number, since it is smaller than the sum of its proper divisors (53069426340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30275787612 is a wasteful number, since it uses less digits than its factorization.

30275787612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74347 (or 74345 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 30275787612 in words is "thirty billion, two hundred seventy-five million, seven hundred eighty-seven thousand, six hundred twelve".