77148610342 has 4 divisors (see below), whose sum is σ = 115722915516. Its totient is φ = 38574305170.

The previous prime is 77148610339. The next prime is 77148610351. The reversal of 77148610342 is 24301684177.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24301684177 = 727 ⋅33427351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19287152584 + ... + 19287152587.

It is an arithmetic number, because the mean of its divisors is an integer number (28930728879).

Almost surely, 2^77148610342 is an apocalyptic number.

77148610342 is a deficient number, since it is larger than the sum of its proper divisors (38574305174).

77148610342 is a wasteful number, since it uses less digits than its factorization.

77148610342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38574305173.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 77148610342 in words is "seventy-seven billion, one hundred forty-eight million, six hundred ten thousand, three hundred forty-two".