30797232686 has 16 divisors (see below), whose sum is σ = 51346331568. Its totient is φ = 13734614400.

The previous prime is 30797232667. The next prime is 30797232709. The reversal of 30797232686 is 68623279703.

It is a super-2 number, since 2×30797232686² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13205195 + ... + 13207526.

It is an arithmetic number, because the mean of its divisors is an integer number (3209145723).

Almost surely, 2^30797232686 is an apocalyptic number.

30797232686 is a deficient number, since it is larger than the sum of its proper divisors (20549098882).

30797232686 is a wasteful number, since it uses less digits than its factorization.

30797232686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26412787.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 30797232686 in words is "thirty billion, seven hundred ninety-seven million, two hundred thirty-two thousand, six hundred eighty-six".