30229657977 has 4 divisors (see below), whose sum is σ = 40306210640. Its totient is φ = 20153105316.

The previous prime is 30229657973. The next prime is 30229657993. The reversal of 30229657977 is 77975692203.

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 not a de Polignac number, because 30229657977 - 2² = 30229657973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30229657973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5038276327 + ... + 5038276332.

It is an arithmetic number, because the mean of its divisors is an integer number (10076552660).

Almost surely, 2^30229657977 is an apocalyptic number.

It is an amenable number.

30229657977 is a deficient number, since it is larger than the sum of its proper divisors (10076552663).

30229657977 is a wasteful number, since it uses less digits than its factorization.

30229657977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076552662.

The product of its (nonzero) digits is 10001880, while the sum is 57.

The spelling of 30229657977 in words is "thirty billion, two hundred twenty-nine million, six hundred fifty-seven thousand, nine hundred seventy-seven".