87701723 has 2 divisors, whose sum is σ = 87701724. Its totient is φ = 87701722.

The previous prime is 87701717. The next prime is 87701741. The reversal of 87701723 is 32710778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87701723 - 2⁴ = 87701707 is a prime.

It is not a weakly prime, because it can be changed into another prime (87701743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43850861 + 43850862.

It is an arithmetic number, because the mean of its divisors is an integer number (43850862).

Almost surely, 2^87701723 is an apocalyptic number.

87701723 is a deficient number, since it is larger than the sum of its proper divisors (1).

87701723 is an equidigital number, since it uses as much as digits as its factorization.

87701723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 87701723 is about 9364.9198074516. The cubic root of 87701723 is about 444.2929021933.

The spelling of 87701723 in words is "eighty-seven million, seven hundred one thousand, seven hundred twenty-three".