87898763 has 2 divisors, whose sum is σ = 87898764. Its totient is φ = 87898762.

The previous prime is 87898757. The next prime is 87898777. The reversal of 87898763 is 36789878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87898763 - 2¹⁰ = 87897739 is a prime.

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

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 87898699 and 87898708.

It is not a weakly prime, because it can be changed into another prime (87898163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43949381 + 43949382.

It is an arithmetic number, because the mean of its divisors is an integer number (43949382).

Almost surely, 2^87898763 is an apocalyptic number.

87898763 is a deficient number, since it is larger than the sum of its proper divisors (1).

87898763 is an equidigital number, since it uses as much as digits as its factorization.

87898763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 56.

The square root of 87898763 is about 9375.4340166202. The cubic root of 87898763 is about 444.6253851848.

The spelling of 87898763 in words is "eighty-seven million, eight hundred ninety-eight thousand, seven hundred sixty-three".