38697068736 has 448 divisors, whose sum is σ = 120823695360. Its totient is φ = 12133048320.

The previous prime is 38697068723. The next prime is 38697068747. The reversal of 38697068736 is 63786079683.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 361654795 + ... + 361654901.

Almost surely, 2^38697068736 is an apocalyptic number.

38697068736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38697068736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60411847680).

38697068736 is an abundant number, since it is smaller than the sum of its proper divisors (82126626624).

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

38697068736 is a wasteful number, since it uses less digits than its factorization.

38697068736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 38697068736 in words is "thirty-eight billion, six hundred ninety-seven million, sixty-eight thousand, seven hundred thirty-six".