77811410338133 has 8 divisors (see below), whose sum is σ = 78615844623360. Its totient is φ = 77009972084640.

The previous prime is 77811410338111. The next prime is 77811410338139. The reversal of 77811410338133 is 33183301411877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77811410338133 - 2²⁰ = 77811409289557 is a prime.

It is a super-2 number, since 2×77811410338133² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77811410338139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748955723 + ... + 749059608.

It is an arithmetic number, because the mean of its divisors is an integer number (9826980577920).

Almost surely, 2^{77811410338133} is an apocalyptic number.

It is an amenable number.

77811410338133 is a deficient number, since it is larger than the sum of its proper divisors (804434285227).

77811410338133 is a wasteful number, since it uses less digits than its factorization.

77811410338133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498015867.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 77811410338133 in words is "seventy-seven trillion, eight hundred eleven billion, four hundred ten million, three hundred thirty-eight thousand, one hundred thirty-three".