30397728862 has 32 divisors (see below), whose sum is σ = 47109703680. Its totient is φ = 14703081120.

The previous prime is 30397728859. The next prime is 30397728871. The reversal of 30397728862 is 26882779303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7392187 + ... + 7396297.

It is an arithmetic number, because the mean of its divisors is an integer number (1472178240).

Almost surely, 2^30397728862 is an apocalyptic number.

30397728862 is a deficient number, since it is larger than the sum of its proper divisors (16711974818).

30397728862 is a wasteful number, since it uses less digits than its factorization.

30397728862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 30397728862 in words is "thirty billion, three hundred ninety-seven million, seven hundred twenty-eight thousand, eight hundred sixty-two".