30778800085 has 8 divisors (see below), whose sum is σ = 40292247456. Its totient is φ = 22384581840.

The previous prime is 30778800083. The next prime is 30778800103. The reversal of 30778800085 is 58000887703.

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

It is not a de Polignac number, because 30778800085 - 2¹ = 30778800083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30778800083) 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, 279807219 + ... + 279807328.

It is an arithmetic number, because the mean of its divisors is an integer number (5036530932).

Almost surely, 2^30778800085 is an apocalyptic number.

It is an amenable number.

30778800085 is a deficient number, since it is larger than the sum of its proper divisors (9513447371).

30778800085 is a wasteful number, since it uses less digits than its factorization.

30778800085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559614563.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 30778800085 in words is "thirty billion, seven hundred seventy-eight million, eight hundred thousand, eighty-five".