77541960133 has 32 divisors (see below), whose sum is σ = 90807091200. Its totient is φ = 65510079360.

The previous prime is 77541960113. The next prime is 77541960169. The reversal of 77541960133 is 33106914577.

It is not a de Polignac number, because 77541960133 - 2⁵ = 77541960101 is a prime.

It is a super-2 number, since 2×77541960133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77541960113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1605268 + ... + 1652866.

It is an arithmetic number, because the mean of its divisors is an integer number (2837721600).

Almost surely, 2^77541960133 is an apocalyptic number.

It is an amenable number.

77541960133 is a deficient number, since it is larger than the sum of its proper divisors (13265131067).

77541960133 is a wasteful number, since it uses less digits than its factorization.

77541960133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47817.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 77541960133 in words is "seventy-seven billion, five hundred forty-one million, nine hundred sixty thousand, one hundred thirty-three".