77027172141 has 16 divisors (see below), whose sum is σ = 105101779968. Its totient is φ = 50156458800.

The previous prime is 77027172121. The next prime is 77027172149. The reversal of 77027172141 is 14127172077.

It is not a de Polignac number, because 77027172141 - 2⁶ = 77027172077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77027172141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77027172149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487075 + ... + 625536.

It is an arithmetic number, because the mean of its divisors is an integer number (6568861248).

Almost surely, 2^77027172141 is an apocalyptic number.

It is an amenable number.

77027172141 is a deficient number, since it is larger than the sum of its proper divisors (28074607827).

77027172141 is a wasteful number, since it uses less digits than its factorization.

77027172141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113152.

The product of its (nonzero) digits is 38416, while the sum is 39.

The spelling of 77027172141 in words is "seventy-seven billion, twenty-seven million, one hundred seventy-two thousand, one hundred forty-one".