87675853 has 2 divisors, whose sum is σ = 87675854. Its totient is φ = 87675852.

The previous prime is 87675773. The next prime is 87675871. The reversal of 87675853 is 35857678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74701449 + 12974404 = 8643^2 + 3602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87675853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87675797 and 87675806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87675883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43837926 + 43837927.

It is an arithmetic number, because the mean of its divisors is an integer number (43837927).

Almost surely, 2^87675853 is an apocalyptic number.

It is an amenable number.

87675853 is a deficient number, since it is larger than the sum of its proper divisors (1).

87675853 is an equidigital number, since it uses as much as digits as its factorization.

87675853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 49.

The square root of 87675853 is about 9363.5384871319. The cubic root of 87675853 is about 444.2492124864.

It can be divided in two parts, 876 and 75853, that added together give a square (76729 = 277²).

The spelling of 87675853 in words is "eighty-seven million, six hundred seventy-five thousand, eight hundred fifty-three".