18277493068 has 24 divisors (see below), whose sum is σ = 32475629312. Its totient is φ = 8998848144.

The previous prime is 18277492993. The next prime is 18277493089. The reversal of 18277493068 is 86039477281.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761905 + ... + 785527.

Almost surely, 2^18277493068 is an apocalyptic number.

It is an amenable number.

18277493068 is a deficient number, since it is larger than the sum of its proper divisors (14198136244).

18277493068 is a wasteful number, since it uses less digits than its factorization.

18277493068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26581 (or 26579 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 18277493068 in words is "eighteen billion, two hundred seventy-seven million, four hundred ninety-three thousand, sixty-eight".