18347677077 has 16 divisors (see below), whose sum is σ = 24822830592. Its totient is φ = 12052358640.

The previous prime is 18347677063. The next prime is 18347677087. The reversal of 18347677077 is 77077674381.

It is not a de Polignac number, because 18347677077 - 2²⁴ = 18330899861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18347677037) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 347458 + ... + 396764.

It is an arithmetic number, because the mean of its divisors is an integer number (1551426912).

Almost surely, 2^18347677077 is an apocalyptic number.

It is an amenable number.

18347677077 is a deficient number, since it is larger than the sum of its proper divisors (6475153515).

18347677077 is a wasteful number, since it uses less digits than its factorization.

18347677077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51128.

The product of its (nonzero) digits is 9680832, while the sum is 57.

The spelling of 18347677077 in words is "eighteen billion, three hundred forty-seven million, six hundred seventy-seven thousand, seventy-seven".