84613151843557 has 2 divisors, whose sum is σ = 84613151843558. Its totient is φ = 84613151843556.

The previous prime is 84613151843551. The next prime is 84613151843783. The reversal of 84613151843557 is 75534815131648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56760945048196 + 27852206795361 = 7533986^2 + 5277519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84613151843557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84613151843495 and 84613151843504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84613151843551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42306575921778 + 42306575921779.

It is an arithmetic number, because the mean of its divisors is an integer number (42306575921779).

Almost surely, 2^{84613151843557} is an apocalyptic number.

It is an amenable number.

84613151843557 is a deficient number, since it is larger than the sum of its proper divisors (1).

84613151843557 is an equidigital number, since it uses as much as digits as its factorization.

84613151843557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384000, while the sum is 61.

The spelling of 84613151843557 in words is "eighty-four trillion, six hundred thirteen billion, one hundred fifty-one million, eight hundred forty-three thousand, five hundred fifty-seven".