13820104777437 has 48 divisors (see below), whose sum is σ = 23603205575040. Its totient is φ = 7624119758976.

The previous prime is 13820104777429. The next prime is 13820104777441. The reversal of 13820104777437 is 73477740102831.

13820104777437 is a `hidden beast` number, since 1 + 38 + 2 + 0 + 104 + 7 + 77 + 437 = 666.

It is not a de Polignac number, because 13820104777437 - 2³ = 13820104777429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13820104777417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18065178 + ... + 18814644.

It is an arithmetic number, because the mean of its divisors is an integer number (491733449480).

Almost surely, 2^{13820104777437} is an apocalyptic number.

It is an amenable number.

13820104777437 is a deficient number, since it is larger than the sum of its proper divisors (9783100797603).

13820104777437 is a wasteful number, since it uses less digits than its factorization.

13820104777437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759602 (or 759599 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 54.

The spelling of 13820104777437 in words is "thirteen trillion, eight hundred twenty billion, one hundred four million, seven hundred seventy-seven thousand, four hundred thirty-seven".