77135574055 has 32 divisors (see below), whose sum is σ = 94241968128. Its totient is φ = 60600624000.

The previous prime is 77135574023. The next prime is 77135574071. The reversal of 77135574055 is 55047553177.

It is not a de Polignac number, because 77135574055 - 2⁵ = 77135574023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62660290 + ... + 62661520.

It is an arithmetic number, because the mean of its divisors is an integer number (2945061504).

Almost surely, 2^77135574055 is an apocalyptic number.

77135574055 is a deficient number, since it is larger than the sum of its proper divisors (17106394073).

77135574055 is a wasteful number, since it uses less digits than its factorization.

77135574055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its (nonzero) digits is 2572500, while the sum is 49.

The spelling of 77135574055 in words is "seventy-seven billion, one hundred thirty-five million, five hundred seventy-four thousand, fifty-five".