3857558787423 has 24 divisors (see below), whose sum is σ = 6079747926096. Its totient is φ = 2337464246400.

The previous prime is 3857558787391. The next prime is 3857558787427. The reversal of 3857558787423 is 3247878557583.

3857558787423 is a `hidden beast` number, since 3 + 8 + 5 + 75 + 58 + 7 + 87 + 423 = 666.

It is not a de Polignac number, because 3857558787423 - 2⁵ = 3857558787391 is a prime.

It is a super-2 number, since 2×3857558787423² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857558787427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3234318 + ... + 4263323.

It is an arithmetic number, because the mean of its divisors is an integer number (253322830254).

Almost surely, 2^{3857558787423} is an apocalyptic number.

3857558787423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3857558787423 is a deficient number, since it is larger than the sum of its proper divisors (2222189138673).

3857558787423 is a wasteful number, since it uses less digits than its factorization.

3857558787423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7502855 (or 7502852 counting only the distinct ones).

The product of its digits is 1580544000, while the sum is 72.

The spelling of 3857558787423 in words is "three trillion, eight hundred fifty-seven billion, five hundred fifty-eight million, seven hundred eighty-seven thousand, four hundred twenty-three".