87985463 has 2 divisors, whose sum is σ = 87985464. Its totient is φ = 87985462.

The previous prime is 87985451. The next prime is 87985477. The reversal of 87985463 is 36458978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87985463 - 2⁶ = 87985399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87985423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43992731 + 43992732.

It is an arithmetic number, because the mean of its divisors is an integer number (43992732).

Almost surely, 2^87985463 is an apocalyptic number.

87985463 is a deficient number, since it is larger than the sum of its proper divisors (1).

87985463 is an equidigital number, since it uses as much as digits as its factorization.

87985463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 87985463 is about 9380.0566629419. The cubic root of 87985463 is about 444.7715243419.

The spelling of 87985463 in words is "eighty-seven million, nine hundred eighty-five thousand, four hundred sixty-three".