3857342820793 has 12 divisors (see below), whose sum is σ = 4895032448592. Its totient is φ = 3005721678120.

The previous prime is 3857342820761. The next prime is 3857342820811. The reversal of 3857342820793 is 3970282437583.

It is a happy number.

It is not a de Polignac number, because 3857342820793 - 2⁵ = 3857342820761 is a prime.

It is a super-2 number, since 2×3857342820793² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3857342820293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3578239555 + ... + 3578240632.

It is an arithmetic number, because the mean of its divisors is an integer number (407919370716).

Almost surely, 2^{3857342820793} is an apocalyptic number.

It is an amenable number.

3857342820793 is a deficient number, since it is larger than the sum of its proper divisors (1037689627799).

3857342820793 is a wasteful number, since it uses less digits than its factorization.

3857342820793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156480212 (or 7156480205 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 3857342820793 in words is "three trillion, eight hundred fifty-seven billion, three hundred forty-two million, eight hundred twenty thousand, seven hundred ninety-three".