30497987736 has 96 divisors (see below), whose sum is σ = 85329054720. Its totient is φ = 9830462400.

The previous prime is 30497987717. The next prime is 30497987753. The reversal of 30497987736 is 63778979403.

30497987736 is a `hidden beast` number, since 30 + 497 + 9 + 87 + 7 + 36 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3368031 + ... + 3377073.

It is an arithmetic number, because the mean of its divisors is an integer number (888844320).

Almost surely, 2^30497987736 is an apocalyptic number.

30497987736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30497987736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42664527360).

30497987736 is an abundant number, since it is smaller than the sum of its proper divisors (54831066984).

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

30497987736 is a wasteful number, since it uses less digits than its factorization.

30497987736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10597 (or 10590 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 63.

The spelling of 30497987736 in words is "thirty billion, four hundred ninety-seven million, nine hundred eighty-seven thousand, seven hundred thirty-six".