30775697420 has 24 divisors (see below), whose sum is σ = 69600423984. Its totient is φ = 11363334336.

The previous prime is 30775697413. The next prime is 30775697467. The reversal of 30775697420 is 2479657703.

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 7 ways as a sum of consecutive naturals, for example, 59183774 + ... + 59184293.

It is an arithmetic number, because the mean of its divisors is an integer number (2900017666).

Almost surely, 2^30775697420 is an apocalyptic number.

It is an amenable number.

30775697420 is an abundant number, since it is smaller than the sum of its proper divisors (38824726564).

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

30775697420 is a wasteful number, since it uses less digits than its factorization.

30775697420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118368089 (or 118368087 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 30775697420 in words is "thirty billion, seven hundred seventy-five million, six hundred ninety-seven thousand, four hundred twenty".