94977000661 has 2 divisors, whose sum is σ = 94977000662. Its totient is φ = 94977000660.

The previous prime is 94977000617. The next prime is 94977000683. The reversal of 94977000661 is 16600077949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72808768561 + 22168232100 = 269831^2 + 148890^2 .

It is a cyclic number.

It is not a de Polignac number, because 94977000661 - 2⁹ = 94977000149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94977000691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47488500330 + 47488500331.

It is an arithmetic number, because the mean of its divisors is an integer number (47488500331).

Almost surely, 2^94977000661 is an apocalyptic number.

It is an amenable number.

94977000661 is a deficient number, since it is larger than the sum of its proper divisors (1).

94977000661 is an equidigital number, since it uses as much as digits as its factorization.

94977000661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 94977000661 in words is "ninety-four billion, nine hundred seventy-seven million, six hundred sixty-one", and thus it is an aban number.