30548120977 has 4 divisors (see below), whose sum is σ = 33325222896. Its totient is φ = 27771019060.

The previous prime is 30548120963. The next prime is 30548121001. The reversal of 30548120977 is 77902184503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30548120977 - 2¹⁵ = 30548088209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30548120957) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1388550943 + ... + 1388550964.

It is an arithmetic number, because the mean of its divisors is an integer number (8331305724).

Almost surely, 2^30548120977 is an apocalyptic number.

It is an amenable number.

30548120977 is a deficient number, since it is larger than the sum of its proper divisors (2777101919).

30548120977 is a wasteful number, since it uses less digits than its factorization.

30548120977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777101918.

The product of its (nonzero) digits is 423360, while the sum is 46.

It can be divided in two parts, 30548 and 120977, that added together give a triangular number (151525 = T₅₅₀).

The spelling of 30548120977 in words is "thirty billion, five hundred forty-eight million, one hundred twenty thousand, nine hundred seventy-seven".