38387734207998 has 48 divisors (see below), whose sum is σ = 89382908641680. Its totient is φ = 10958999689344.

The previous prime is 38387734207993. The next prime is 38387734208011. The reversal of 38387734207998 is 89970243778383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38387734207993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52759311 + ... + 53481962.

It is an arithmetic number, because the mean of its divisors is an integer number (1862143930035).

Almost surely, 2^{38387734207998} is an apocalyptic number.

38387734207998 is an abundant number, since it is smaller than the sum of its proper divisors (50995174433682).

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

38387734207998 is a wasteful number, since it uses less digits than its factorization.

38387734207998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106242521 (or 106242514 counting only the distinct ones).

The product of its (nonzero) digits is 3072577536, while the sum is 78.

The spelling of 38387734207998 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred thirty-four million, two hundred seven thousand, nine hundred ninety-eight".