30877768 has 16 divisors (see below), whose sum is σ = 58878000. Its totient is φ = 15176976.

The previous prime is 30877757. The next prime is 30877771. The reversal of 30877768 is 86777803.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32238 + ... + 33181.

It is an arithmetic number, because the mean of its divisors is an integer number (3679875).

Almost surely, 2^30877768 is an apocalyptic number.

It is an amenable number.

30877768 is a deficient number, since it is larger than the sum of its proper divisors (28000232).

30877768 is a wasteful number, since it uses less digits than its factorization.

30877768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65484 (or 65480 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 30877768 is about 5556.7767635564. The cubic root of 30877768 is about 313.7246426388.

The spelling of 30877768 in words is "thirty million, eight hundred seventy-seven thousand, seven hundred sixty-eight".