30778904132 has 24 divisors (see below), whose sum is σ = 54823410432. Its totient is φ = 15116673600.

The previous prime is 30778904113. The next prime is 30778904159. The reversal of 30778904132 is 23140987703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122993 + ... + 276920.

It is an arithmetic number, because the mean of its divisors is an integer number (2284308768).

Almost surely, 2^30778904132 is an apocalyptic number.

It is an amenable number.

30778904132 is a deficient number, since it is larger than the sum of its proper divisors (24044506300).

30778904132 is a wasteful number, since it uses less digits than its factorization.

30778904132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400259 (or 400257 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 30778904132 in words is "thirty billion, seven hundred seventy-eight million, nine hundred four thousand, one hundred thirty-two".