133466677779 has 16 divisors (see below), whose sum is σ = 180996969600. Its totient is φ = 87457505856.

The previous prime is 133466677763. The next prime is 133466677807. The reversal of 133466677779 is 977776664331.

It is not a de Polignac number, because 133466677779 - 2⁴ = 133466677763 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (133466677679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323652 + ... + 1420910.

It is an arithmetic number, because the mean of its divisors is an integer number (11312310600).

Almost surely, 2^133466677779 is an apocalyptic number.

133466677779 is a deficient number, since it is larger than the sum of its proper divisors (47530291821).

133466677779 is an equidigital number, since it uses as much as digits as its factorization.

133466677779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105074.

The product of its digits is 168031584, while the sum is 66.

The spelling of 133466677779 in words is "one hundred thirty-three billion, four hundred sixty-six million, six hundred seventy-seven thousand, seven hundred seventy-nine".