1427661786598 has 24 divisors (see below), whose sum is σ = 2274965784000. Its totient is φ = 671813394048.

The previous prime is 1427661786517. The next prime is 1427661786599. The reversal of 1427661786598 is 8956871667241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427661786599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24107128 + ... + 24166276.

It is an arithmetic number, because the mean of its divisors is an integer number (94790241000).

Almost surely, 2^{1427661786598} is an apocalyptic number.

1427661786598 is a deficient number, since it is larger than the sum of its proper divisors (847303997402).

1427661786598 is a wasteful number, since it uses less digits than its factorization.

1427661786598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100944 (or 100927 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 70.

The spelling of 1427661786598 in words is "one trillion, four hundred twenty-seven billion, six hundred sixty-one million, seven hundred eighty-six thousand, five hundred ninety-eight".