30009972287 has 2 divisors, whose sum is σ = 30009972288. Its totient is φ = 30009972286.

The previous prime is 30009972283. The next prime is 30009972301. The reversal of 30009972287 is 78227990003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30009972287 - 2² = 30009972283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30009972281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15004986143 + 15004986144.

It is an arithmetic number, because the mean of its divisors is an integer number (15004986144).

Almost surely, 2^30009972287 is an apocalyptic number.

30009972287 is a deficient number, since it is larger than the sum of its proper divisors (1).

30009972287 is an equidigital number, since it uses as much as digits as its factorization.

30009972287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 30009972287 in words is "thirty billion, nine million, nine hundred seventy-two thousand, two hundred eighty-seven".