30147987059928 has 24 divisors (see below), whose sum is σ = 81650798287500. Its totient is φ = 10049329019952.

The previous prime is 30147987059921. The next prime is 30147987060013. The reversal of 30147987059928 is 82995078974103.

30147987059928 is a `hidden beast` number, since 3 + 0 + 1 + 4 + 7 + 9 + 8 + 7 + 0 + 599 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×30147987059928² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 418722042499 = 30147987059928 / (3 + 0 + 1 + 4 + 7 + 9 + 8 + 7 + 0 + 5 + 9 + 9 + 2 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30147987059921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209361021178 + ... + 209361021321.

Almost surely, 2^{30147987059928} is an apocalyptic number.

It is an amenable number.

30147987059928 is an abundant number, since it is smaller than the sum of its proper divisors (51502811227572).

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

30147987059928 is a wasteful number, since it uses less digits than its factorization.

30147987059928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418722042511 (or 418722042504 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 30147987059928 in words is "thirty trillion, one hundred forty-seven billion, nine hundred eighty-seven million, fifty-nine thousand, nine hundred twenty-eight".