77127101154 has 24 divisors (see below), whose sum is σ = 173297932080. Its totient is φ = 25709033556.

The previous prime is 77127101089. The next prime is 77127101167. The reversal of 77127101154 is 45110172177.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79348384 + ... + 79349355.

It is an arithmetic number, because the mean of its divisors is an integer number (7220747170).

Almost surely, 2^77127101154 is an apocalyptic number.

77127101154 is an abundant number, since it is smaller than the sum of its proper divisors (96170830926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77127101154 is a wasteful number, since it uses less digits than its factorization.

77127101154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158697756 (or 158697744 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 36.

The spelling of 77127101154 in words is "seventy-seven billion, one hundred twenty-seven million, one hundred one thousand, one hundred fifty-four".