30959190855978 has 64 divisors (see below), whose sum is σ = 77200370777088. Its totient is φ = 8040991259520.

The previous prime is 30959190855953. The next prime is 30959190856007. The reversal of 30959190855978 is 87955809195903.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9009801 + ... + 11962227.

It is an arithmetic number, because the mean of its divisors is an integer number (1206255793392).

Almost surely, 2^{30959190855978} is an apocalyptic number.

30959190855978 is an abundant number, since it is smaller than the sum of its proper divisors (46241179921110).

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

30959190855978 is a wasteful number, since it uses less digits than its factorization.

30959190855978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975147.

The product of its (nonzero) digits is 1102248000, while the sum is 78.

The spelling of 30959190855978 in words is "thirty trillion, nine hundred fifty-nine billion, one hundred ninety million, eight hundred fifty-five thousand, nine hundred seventy-eight".