87754185653 has 2 divisors, whose sum is σ = 87754185654. Its totient is φ = 87754185652.

The previous prime is 87754185647. The next prime is 87754185667. The reversal of 87754185653 is 35658145778.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87753990289 + 195364 = 296233^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 87754185653 - 2¹⁶ = 87754120117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87754185592 and 87754185601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87754185853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43877092826 + 43877092827.

It is an arithmetic number, because the mean of its divisors is an integer number (43877092827).

Almost surely, 2^87754185653 is an apocalyptic number.

It is an amenable number.

87754185653 is a deficient number, since it is larger than the sum of its proper divisors (1).

87754185653 is an equidigital number, since it uses as much as digits as its factorization.

87754185653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224000, while the sum is 59.

The spelling of 87754185653 in words is "eighty-seven billion, seven hundred fifty-four million, one hundred eighty-five thousand, six hundred fifty-three".