30187252087 has 8 divisors (see below), whose sum is σ = 32166561456. Its totient is φ = 28230563712.

The previous prime is 30187252033. The next prime is 30187252091. The reversal of 30187252087 is 78025278103.

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

It is a cyclic number.

It is not a de Polignac number, because 30187252087 - 2¹⁵ = 30187219319 is a prime.

It is a super-2 number, since 2×30187252087² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30187250087) 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, 5652493 + ... + 5657830.

It is an arithmetic number, because the mean of its divisors is an integer number (4020820182).

Almost surely, 2^30187252087 is an apocalyptic number.

30187252087 is a deficient number, since it is larger than the sum of its proper divisors (1979309369).

30187252087 is a wasteful number, since it uses less digits than its factorization.

30187252087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310497.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 30187252087 in words is "thirty billion, one hundred eighty-seven million, two hundred fifty-two thousand, eighty-seven".