1385223008877 has 12 divisors (see below), whose sum is σ = 2002144880320. Its totient is φ = 922897144008.

The previous prime is 1385223008857. The next prime is 1385223008881. The reversal of 1385223008877 is 7788003225831.

1385223008877 is a `hidden beast` number, since 1 + 3 + 8 + 522 + 30 + 0 + 8 + 87 + 7 = 666.

It is not a de Polignac number, because 1385223008877 - 2¹⁰ = 1385223007853 is a prime.

It is a super-2 number, since 2×1385223008877² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385223008857) 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, 48723493 + ... + 48751914.

Almost surely, 2^{1385223008877} is an apocalyptic number.

It is an amenable number.

1385223008877 is a deficient number, since it is larger than the sum of its proper divisors (616921871443).

1385223008877 is a wasteful number, since it uses less digits than its factorization.

1385223008877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97476992 (or 97476989 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 1385223008877 in words is "one trillion, three hundred eighty-five billion, two hundred twenty-three million, eight thousand, eight hundred seventy-seven".