30009977 has 4 divisors (see below), whose sum is σ = 30301440. Its totient is φ = 29718516.

The previous prime is 30009919. The next prime is 30009979. The reversal of 30009977 is 77990003.

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 30009977 - 2²⁴ = 13232761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30009979) 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, 145577 + ... + 145782.

It is an arithmetic number, because the mean of its divisors is an integer number (7575360).

Almost surely, 2^30009977 is an apocalyptic number.

It is an amenable number.

30009977 is a deficient number, since it is larger than the sum of its proper divisors (291463).

30009977 is a wasteful number, since it uses less digits than its factorization.

30009977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291462.

The product of its (nonzero) digits is 11907, while the sum is 35.

The square root of 30009977 is about 5478.1362706672. The cubic root of 30009977 is about 310.7576921762.

The spelling of 30009977 in words is "thirty million, nine thousand, nine hundred seventy-seven".