30848199887 has 4 divisors (see below), whose sum is σ = 30962877480. Its totient is φ = 30733522296.

The previous prime is 30848199869. The next prime is 30848199917. The reversal of 30848199887 is 78899184803.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30848199887 - 2¹⁰ = 30848198863 is a prime.

It is a super-2 number, since 2×30848199887² (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 (30848199287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57338393 + ... + 57338930.

It is an arithmetic number, because the mean of its divisors is an integer number (7740719370).

Almost surely, 2^30848199887 is an apocalyptic number.

30848199887 is a deficient number, since it is larger than the sum of its proper divisors (114677593).

30848199887 is a wasteful number, since it uses less digits than its factorization.

30848199887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114677592.

The product of its (nonzero) digits is 27869184, while the sum is 65.

The spelling of 30848199887 in words is "thirty billion, eight hundred forty-eight million, one hundred ninety-nine thousand, eight hundred eighty-seven".