87542963 has 2 divisors, whose sum is σ = 87542964. Its totient is φ = 87542962.

The previous prime is 87542957. The next prime is 87543007. The reversal of 87542963 is 36924578.

It is an a-pointer prime, because the next prime (87543007) can be obtained adding 87542963 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87542963 - 2⁴ = 87542947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87542933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43771481 + 43771482.

It is an arithmetic number, because the mean of its divisors is an integer number (43771482).

Almost surely, 2^87542963 is an apocalyptic number.

87542963 is a deficient number, since it is larger than the sum of its proper divisors (1).

87542963 is an equidigital number, since it uses as much as digits as its factorization.

87542963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 87542963 is about 9356.4396540565. The cubic root of 87542963 is about 444.0246499720.

The spelling of 87542963 in words is "eighty-seven million, five hundred forty-two thousand, nine hundred sixty-three".