38818887437836 has 48 divisors (see below), whose sum is σ = 74164296810240. Its totient is φ = 17631734541120.

The previous prime is 38818887437833. The next prime is 38818887437873. The reversal of 38818887437836 is 63873478881883.

It is a super-2 number, since 2×38818887437836² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (82) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38818887437836.

It is not an unprimeable number, because it can be changed into a prime (38818887437833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664916895 + ... + 664975273.

It is an arithmetic number, because the mean of its divisors is an integer number (1545089516880).

Almost surely, 2^{38818887437836} is an apocalyptic number.

It is an amenable number.

38818887437836 is a deficient number, since it is larger than the sum of its proper divisors (35345409372404).

38818887437836 is a wasteful number, since it uses less digits than its factorization.

38818887437836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69454 (or 69452 counting only the distinct ones).

The product of its digits is 8323596288, while the sum is 82.

The spelling of 38818887437836 in words is "thirty-eight trillion, eight hundred eighteen billion, eight hundred eighty-seven million, four hundred thirty-seven thousand, eight hundred thirty-six".