38208977688 has 64 divisors (see below), whose sum is σ = 109213839360. Its totient is φ = 10912317696.

The previous prime is 38208977647. The next prime is 38208977689. The reversal of 38208977688 is 88677980283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38208977689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369481 + ... + 461447.

It is an arithmetic number, because the mean of its divisors is an integer number (1706466240).

Almost surely, 2^38208977688 is an apocalyptic number.

It is an amenable number.

38208977688 is an abundant number, since it is smaller than the sum of its proper divisors (71004861672).

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

38208977688 is a wasteful number, since it uses less digits than its factorization.

38208977688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94456 (or 94452 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 38208977688 in words is "thirty-eight billion, two hundred eight million, nine hundred seventy-seven thousand, six hundred eighty-eight".