1597478862853 has 8 divisors (see below), whose sum is σ = 1685993530400. Its totient is φ = 1509407878608.

The previous prime is 1597478862787. The next prime is 1597478862877. The reversal of 1597478862853 is 3582688747951.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1597478862853 - 2⁹ = 1597478862341 is a prime.

It is a super-2 number, since 2×1597478862853² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597478862883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110913426 + ... + 110927827.

It is an arithmetic number, because the mean of its divisors is an integer number (210749191300).

Almost surely, 2^{1597478862853} is an apocalyptic number.

It is an amenable number.

1597478862853 is a deficient number, since it is larger than the sum of its proper divisors (88514667547).

1597478862853 is a wasteful number, since it uses less digits than its factorization.

1597478862853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221841651.

The product of its digits is 812851200, while the sum is 73.

The spelling of 1597478862853 in words is "one trillion, five hundred ninety-seven billion, four hundred seventy-eight million, eight hundred sixty-two thousand, eight hundred fifty-three".