133355077679 has 2 divisors, whose sum is σ = 133355077680. Its totient is φ = 133355077678.

The previous prime is 133355077553. The next prime is 133355077697. The reversal of 133355077679 is 976770553331.

Together with next prime (133355077697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133355077679 - 2²⁰ = 133354029103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133355077699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66677538839 + 66677538840.

It is an arithmetic number, because the mean of its divisors is an integer number (66677538840).

Almost surely, 2^133355077679 is an apocalyptic number.

133355077679 is a deficient number, since it is larger than the sum of its proper divisors (1).

133355077679 is an equidigital number, since it uses as much as digits as its factorization.

133355077679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12502350, while the sum is 56.

The spelling of 133355077679 in words is "one hundred thirty-three billion, three hundred fifty-five million, seventy-seven thousand, six hundred seventy-nine".