38557947703 has 4 divisors (see below), whose sum is σ = 42063215688. Its totient is φ = 35052679720.

The previous prime is 38557947679. The next prime is 38557947751. The reversal of 38557947703 is 30774975583.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38557947703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38557944703) 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, 1752633976 + ... + 1752633997.

It is an arithmetic number, because the mean of its divisors is an integer number (10515803922).

Almost surely, 2^38557947703 is an apocalyptic number.

38557947703 is a deficient number, since it is larger than the sum of its proper divisors (3505267985).

38557947703 is a wasteful number, since it uses less digits than its factorization.

38557947703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505267984.

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 38557947703 in words is "thirty-eight billion, five hundred fifty-seven million, nine hundred forty-seven thousand, seven hundred three".