133330029977 has 2 divisors, whose sum is σ = 133330029978. Its totient is φ = 133330029976.

The previous prime is 133330029907. The next prime is 133330030027. The reversal of 133330029977 is 779920033331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133198721296 + 131308681 = 364964^2 + 11459^2 .

It is a cyclic number.

It is not a de Polignac number, because 133330029977 - 2²² = 133325835673 is a prime.

It is not a weakly prime, because it can be changed into another prime (133330029907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66665014988 + 66665014989.

It is an arithmetic number, because the mean of its divisors is an integer number (66665014989).

Almost surely, 2^133330029977 is an apocalyptic number.

It is an amenable number.

133330029977 is a deficient number, since it is larger than the sum of its proper divisors (1).

133330029977 is an equidigital number, since it uses as much as digits as its factorization.

133330029977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 642978, while the sum is 47.

The spelling of 133330029977 in words is "one hundred thirty-three billion, three hundred thirty million, twenty-nine thousand, nine hundred seventy-seven".