38855307764 has 48 divisors (see below), whose sum is σ = 83752838400. Its totient is φ = 15359486976.

The previous prime is 38855307749. The next prime is 38855307767. The reversal of 38855307764 is 46770355883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38855307767) 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, 439652 + ... + 520580.

It is an arithmetic number, because the mean of its divisors is an integer number (1744850800).

Almost surely, 2^38855307764 is an apocalyptic number.

It is an amenable number.

38855307764 is an abundant number, since it is smaller than the sum of its proper divisors (44897530636).

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

38855307764 is a wasteful number, since it uses less digits than its factorization.

38855307764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82272 (or 82270 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 38855307764 in words is "thirty-eight billion, eight hundred fifty-five million, three hundred seven thousand, seven hundred sixty-four".