38802021878 has 8 divisors (see below), whose sum is σ = 59776087872. Its totient is φ = 18876659256.

The previous prime is 38802021871. The next prime is 38802021911. The reversal of 38802021878 is 87812020883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38802021871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262175750 + ... + 262175897.

It is an arithmetic number, because the mean of its divisors is an integer number (7472010984).

Almost surely, 2^38802021878 is an apocalyptic number.

38802021878 is a deficient number, since it is larger than the sum of its proper divisors (20974065994).

38802021878 is a wasteful number, since it uses less digits than its factorization.

38802021878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524351686.

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 38802021878 in words is "thirty-eight billion, eight hundred two million, twenty-one thousand, eight hundred seventy-eight".