38947116550 has 12 divisors (see below), whose sum is σ = 72441636876. Its totient is φ = 15578846600.

The previous prime is 38947116529. The next prime is 38947116553. The reversal of 38947116550 is 5561174983.

It is a junction number, because it is equal to n+sod(n) for n = 38947116494 and 38947116503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38947116553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389471116 + ... + 389471215.

It is an arithmetic number, because the mean of its divisors is an integer number (6036803073).

Almost surely, 2^38947116550 is an apocalyptic number.

38947116550 is a deficient number, since it is larger than the sum of its proper divisors (33494520326).

38947116550 is a wasteful number, since it uses less digits than its factorization.

38947116550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778942343 (or 778942338 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 38947116550 in words is "thirty-eight billion, nine hundred forty-seven million, one hundred sixteen thousand, five hundred fifty".