77555161151 has 24 divisors (see below), whose sum is σ = 89248657680. Its totient is φ = 67377687936.

The previous prime is 77555161127. The next prime is 77555161181. The reversal of 77555161151 is 15116155577.

It is not a de Polignac number, because 77555161151 - 2²² = 77550966847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77555161181) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 573860 + ... + 696006.

It is an arithmetic number, because the mean of its divisors is an integer number (3718694070).

Almost surely, 2^77555161151 is an apocalyptic number.

77555161151 is a deficient number, since it is larger than the sum of its proper divisors (11693496529).

77555161151 is a wasteful number, since it uses less digits than its factorization.

77555161151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122220 (or 122177 counting only the distinct ones).

The product of its digits is 183750, while the sum is 44.

The spelling of 77555161151 in words is "seventy-seven billion, five hundred fifty-five million, one hundred sixty-one thousand, one hundred fifty-one".