87663053 has 2 divisors, whose sum is σ = 87663054. Its totient is φ = 87663052.

The previous prime is 87663047. The next prime is 87663073. The reversal of 87663053 is 35036678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 43533604 = 6643^2 + 6598^2 .

It is a cyclic number.

It is not a de Polignac number, because 87663053 - 2²⁶ = 20554189 is a prime.

It is a super-2 number, since 2×87663053² = 15369621722561618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87662998 and 87663016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87663013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43831526 + 43831527.

It is an arithmetic number, because the mean of its divisors is an integer number (43831527).

Almost surely, 2^87663053 is an apocalyptic number.

It is an amenable number.

87663053 is a deficient number, since it is larger than the sum of its proper divisors (1).

87663053 is an equidigital number, since it uses as much as digits as its factorization.

87663053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 87663053 is about 9362.8549598934. The cubic root of 87663053 is about 444.2275924452.

The spelling of 87663053 in words is "eighty-seven million, six hundred sixty-three thousand, fifty-three".