77734843154342 has 32 divisors (see below), whose sum is σ = 127724517550080. Its totient is φ = 35189087365120.

The previous prime is 77734843154333. The next prime is 77734843154363. The reversal of 77734843154342 is 24345134843777.

It is a super-4 number, since 4×77734843154342⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17243723 + ... + 21279465.

It is an arithmetic number, because the mean of its divisors is an integer number (3991391173440).

Almost surely, 2^{77734843154342} is an apocalyptic number.

77734843154342 is a deficient number, since it is larger than the sum of its proper divisors (49989674395738).

77734843154342 is a wasteful number, since it uses less digits than its factorization.

77734843154342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039348.

The product of its digits is 189665280, while the sum is 62.

The spelling of 77734843154342 in words is "seventy-seven trillion, seven hundred thirty-four billion, eight hundred forty-three million, one hundred fifty-four thousand, three hundred forty-two".