1377762852864 has 60 divisors (see below), whose sum is σ = 3673922282744. Its totient is φ = 459254267904.

The previous prime is 1377762852841. The next prime is 1377762852871. The reversal of 1377762852864 is 4682582677731.

It is a super-2 number, since 2×1377762852864² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1377762852795 and 1377762852804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13966177 + ... + 14064480.

Almost surely, 2^{1377762852864} is an apocalyptic number.

It is an amenable number.

1377762852864 is an abundant number, since it is smaller than the sum of its proper divisors (2296159429880).

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

1377762852864 is an frugal number, since it uses more digits than its factorization.

1377762852864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28030688 (or 28030662 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 66.

The spelling of 1377762852864 in words is "one trillion, three hundred seventy-seven billion, seven hundred sixty-two million, eight hundred fifty-two thousand, eight hundred sixty-four".