30000977 has 2 divisors, whose sum is σ = 30000978. Its totient is φ = 30000976.

The previous prime is 30000967. The next prime is 30000989. The reversal of 30000977 is 77900003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24245776 + 5755201 = 4924^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000977 - 2⁸ = 30000721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30000967) 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 as a sum of consecutive naturals, namely, 15000488 + 15000489.

It is an arithmetic number, because the mean of its divisors is an integer number (15000489).

Almost surely, 2^30000977 is an apocalyptic number.

It is an amenable number.

30000977 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000977 is an equidigital number, since it uses as much as digits as its factorization.

30000977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 30000977 is about 5477.3147618153. The cubic root of 30000977 is about 310.7266236323.

The spelling of 30000977 in words is "thirty million, nine hundred seventy-seven", and thus it is an aban number.