30676522687 has 4 divisors (see below), whose sum is σ = 30685194360. Its totient is φ = 30667851016.

The previous prime is 30676522673. The next prime is 30676522691. The reversal of 30676522687 is 78622567603.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30676522687 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 (30676522607) 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, 4330528 + ... + 4337605.

It is an arithmetic number, because the mean of its divisors is an integer number (7671298590).

Almost surely, 2^30676522687 is an apocalyptic number.

30676522687 is a deficient number, since it is larger than the sum of its proper divisors (8671673).

30676522687 is an equidigital number, since it uses as much as digits as its factorization.

30676522687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8671672.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 30676522687 in words is "thirty billion, six hundred seventy-six million, five hundred twenty-two thousand, six hundred eighty-seven".