874861723393 has 4 divisors (see below), whose sum is σ = 999841969600. Its totient is φ = 749881477188.

The previous prime is 874861723381. The next prime is 874861723403. The reversal of 874861723393 is 393327168478.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 393327168478 = 2 ⋅196663584239.

It is a cyclic number.

It is not a de Polignac number, because 874861723393 - 2¹³ = 874861715201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874861723363) 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, 62490123093 + ... + 62490123106.

It is an arithmetic number, because the mean of its divisors is an integer number (249960492400).

Almost surely, 2^874861723393 is an apocalyptic number.

It is an amenable number.

874861723393 is a deficient number, since it is larger than the sum of its proper divisors (124980246207).

874861723393 is a wasteful number, since it uses less digits than its factorization.

874861723393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124980246206.

The product of its digits is 36578304, while the sum is 61.

The spelling of 874861723393 in words is "eight hundred seventy-four billion, eight hundred sixty-one million, seven hundred twenty-three thousand, three hundred ninety-three".