18677952348 has 24 divisors (see below), whose sum is σ = 47543879040. Its totient is φ = 5659985520.

The previous prime is 18677952289. The next prime is 18677952389. The reversal of 18677952348 is 84325977681.

It is a junction number, because it is equal to n+sod(n) for n = 18677952291 and 18677952300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70749688 + ... + 70749951.

It is an arithmetic number, because the mean of its divisors is an integer number (1980994960).

Almost surely, 2^18677952348 is an apocalyptic number.

It is an amenable number.

18677952348 is an abundant number, since it is smaller than the sum of its proper divisors (28865926692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18677952348 is a wasteful number, since it uses less digits than its factorization.

18677952348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141499657 (or 141499655 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 18677952348 in words is "eighteen billion, six hundred seventy-seven million, nine hundred fifty-two thousand, three hundred forty-eight".