846552147557 has 2 divisors, whose sum is σ = 846552147558. Its totient is φ = 846552147556.

The previous prime is 846552147523. The next prime is 846552147593. The reversal of 846552147557 is 755741255648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545196163876 + 301355983681 = 738374^2 + 548959^2 .

It is a cyclic number.

It is not a de Polignac number, because 846552147557 - 2¹² = 846552143461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 846552147496 and 846552147505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846552147517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423276073778 + 423276073779.

It is an arithmetic number, because the mean of its divisors is an integer number (423276073779).

Almost surely, 2^846552147557 is an apocalyptic number.

It is an amenable number.

846552147557 is a deficient number, since it is larger than the sum of its proper divisors (1).

846552147557 is an equidigital number, since it uses as much as digits as its factorization.

846552147557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040000, while the sum is 59.

The spelling of 846552147557 in words is "eight hundred forty-six billion, five hundred fifty-two million, one hundred forty-seven thousand, five hundred fifty-seven".