77141834045 has 4 divisors (see below), whose sum is σ = 92570200860. Its totient is φ = 61713467232.

The previous prime is 77141834017. The next prime is 77141834053. The reversal of 77141834045 is 54043814177.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54043814177 = 613 ⋅88162829.

It can be written as a sum of positive squares in 2 ways, for example, as 56721138244 + 20420695801 = 238162^2 + 142901^2 .

It is a cyclic number.

It is not a de Polignac number, because 77141834045 - 2¹² = 77141829949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77141833987 and 77141834005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7714183400 + ... + 7714183409.

It is an arithmetic number, because the mean of its divisors is an integer number (23142550215).

Almost surely, 2^77141834045 is an apocalyptic number.

It is an amenable number.

77141834045 is a deficient number, since it is larger than the sum of its proper divisors (15428366815).

77141834045 is a wasteful number, since it uses less digits than its factorization.

77141834045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428366814.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 77141834045 in words is "seventy-seven billion, one hundred forty-one million, eight hundred thirty-four thousand, forty-five".