77834010641345 has 16 divisors (see below), whose sum is σ = 106746766334208. Its totient is φ = 53370402855360.

The previous prime is 77834010641263. The next prime is 77834010641363. The reversal of 77834010641345 is 54314601043877.

It is a happy number.

It is not a de Polignac number, because 77834010641345 - 2¹² = 77834010637249 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29772701 + ... + 32281290.

It is an arithmetic number, because the mean of its divisors is an integer number (6671672895888).

Almost surely, 2^{77834010641345} is an apocalyptic number.

It is an amenable number.

77834010641345 is a deficient number, since it is larger than the sum of its proper divisors (28912755692863).

77834010641345 is a wasteful number, since it uses less digits than its factorization.

77834010641345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62089840.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 77834010641345 in words is "seventy-seven trillion, eight hundred thirty-four billion, ten million, six hundred forty-one thousand, three hundred forty-five".