30777916 has 48 divisors (see below), whose sum is σ = 61051648. Its totient is φ = 13478400.

The previous prime is 30777907. The next prime is 30777917. The reversal of 30777916 is 61977703.

It is a super-3 number, since 3×30777916³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30777917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98176 + ... + 98488.

Almost surely, 2^30777916 is an apocalyptic number.

It is an amenable number.

30777916 is a deficient number, since it is larger than the sum of its proper divisors (30273732).

30777916 is a wasteful number, since it uses less digits than its factorization.

30777916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 30777916 is about 5547.7847831364. The cubic root of 30777916 is about 313.3861049893.

The spelling of 30777916 in words is "thirty million, seven hundred seventy-seven thousand, nine hundred sixteen".