77355255255377 has 16 divisors (see below), whose sum is σ = 87300307500480. Its totient is φ = 67895820216000.

The previous prime is 77355255255367. The next prime is 77355255255389.

77355255255377 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 77355255255377 - 2⁸ = 77355255255121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77355255255347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5911403 + ... + 13771535.

It is an arithmetic number, because the mean of its divisors is an integer number (5456269218780).

Almost surely, 2^{77355255255377} is an apocalyptic number.

It is an amenable number.

77355255255377 is a deficient number, since it is larger than the sum of its proper divisors (9945052245103).

77355255255377 is a wasteful number, since it uses less digits than its factorization.

77355255255377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891024.

The product of its digits is 1350562500, while the sum is 68.

The spelling of 77355255255377 in words is "seventy-seven trillion, three hundred fifty-five billion, two hundred fifty-five million, two hundred fifty-five thousand, three hundred seventy-seven".