3748857557 has 8 divisors (see below), whose sum is σ = 3769084416. Its totient is φ = 3728663712.

The previous prime is 3748857551. The next prime is 3748857613. The reversal of 3748857557 is 7557588473.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3748857557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3748857496 and 3748857505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748857551) 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 7 ways as a sum of consecutive naturals, for example, 239153 + ... + 254345.

It is an arithmetic number, because the mean of its divisors is an integer number (471135552).

Almost surely, 2^3748857557 is an apocalyptic number.

It is an amenable number.

3748857557 is a deficient number, since it is larger than the sum of its proper divisors (20226859).

3748857557 is a wasteful number, since it uses less digits than its factorization.

3748857557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507.

The product of its digits is 32928000, while the sum is 59.

The square root of 3748857557 is about 61227.9148509893. The cubic root of 3748857557 is about 1553.4584664625.

The spelling of 3748857557 in words is "three billion, seven hundred forty-eight million, eight hundred fifty-seven thousand, five hundred fifty-seven".