30904887800 has 24 divisors (see below), whose sum is σ = 71853864600. Its totient is φ = 12361955040.

The previous prime is 30904887787. The next prime is 30904887821. The reversal of 30904887800 is 878840903.

It is a super-2 number, since 2×30904887800² (a number of 22 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 77262020 + ... + 77262419.

It is an arithmetic number, because the mean of its divisors is an integer number (2993911025).

Almost surely, 2^30904887800 is an apocalyptic number.

It is an amenable number.

30904887800 is an abundant number, since it is smaller than the sum of its proper divisors (40948976800).

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

30904887800 is a wasteful number, since it uses less digits than its factorization.

30904887800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154524455 (or 154524446 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 30904887800 in words is "thirty billion, nine hundred four million, eight hundred eighty-seven thousand, eight hundred".