133407676887 has 12 divisors (see below), whose sum is σ = 181296405864. Its totient is φ = 87260361760.

The previous prime is 133407676877. The next prime is 133407676891. The reversal of 133407676887 is 788676704331.

It is a de Polignac number, because none of the positive numbers 2^k-133407676887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133407676887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133407676837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7907064 + ... + 7923917.

It is an arithmetic number, because the mean of its divisors is an integer number (15108033822).

Almost surely, 2^133407676887 is an apocalyptic number.

133407676887 is a deficient number, since it is larger than the sum of its proper divisors (47888728977).

133407676887 is an equidigital number, since it uses as much as digits as its factorization.

133407676887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15831090 (or 15831037 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 60.

The spelling of 133407676887 in words is "one hundred thirty-three billion, four hundred seven million, six hundred seventy-six thousand, eight hundred eighty-seven".