87290963 has 2 divisors, whose sum is σ = 87290964. Its totient is φ = 87290962.

The previous prime is 87290941. The next prime is 87290969. The reversal of 87290963 is 36909278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87290963 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (87290969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43645481 + 43645482.

It is an arithmetic number, because the mean of its divisors is an integer number (43645482).

Almost surely, 2^87290963 is an apocalyptic number.

87290963 is a deficient number, since it is larger than the sum of its proper divisors (1).

87290963 is an equidigital number, since it uses as much as digits as its factorization.

87290963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 87290963 is about 9342.9632879510. The cubic root of 87290963 is about 443.5981860366.

The spelling of 87290963 in words is "eighty-seven million, two hundred ninety thousand, nine hundred sixty-three".