318678473677 has 16 divisors (see below), whose sum is σ = 328713688512. Its totient is φ = 308719226880.

The previous prime is 318678473671. The next prime is 318678473683. The reversal of 318678473677 is 776374876813.

It is an interprime number because it is at equal distance from previous prime (318678473671) and next prime (318678473683).

It is a cyclic number.

It is not a de Polignac number, because 318678473677 - 2³ = 318678473669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318678473671) 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, 25506402 + ... + 25518892.

It is an arithmetic number, because the mean of its divisors is an integer number (20544605532).

Almost surely, 2^318678473677 is an apocalyptic number.

318678473677 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

318678473677 is a deficient number, since it is larger than the sum of its proper divisors (10035214835).

318678473677 is a wasteful number, since it uses less digits than its factorization.

318678473677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15468.

The product of its digits is 199148544, while the sum is 67.

The spelling of 318678473677 in words is "three hundred eighteen billion, six hundred seventy-eight million, four hundred seventy-three thousand, six hundred seventy-seven".