1377808433486 has 16 divisors (see below), whose sum is σ = 2071377899136. Its totient is φ = 687349476216.

The previous prime is 1377808433437. The next prime is 1377808433497. The reversal of 1377808433486 is 6843348087731.

It is a happy number.

It is a super-2 number, since 2×1377808433486² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 8443805 + ... + 8605431.

It is an arithmetic number, because the mean of its divisors is an integer number (129461118696).

Almost surely, 2^{1377808433486} is an apocalyptic number.

1377808433486 is a deficient number, since it is larger than the sum of its proper divisors (693569465650).

1377808433486 is a wasteful number, since it uses less digits than its factorization.

1377808433486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171223.

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 1377808433486 in words is "one trillion, three hundred seventy-seven billion, eight hundred eight million, four hundred thirty-three thousand, four hundred eighty-six".