87843701 has 6 divisors (see below), whose sum is σ = 96555606. Its totient is φ = 79857800.

The previous prime is 87843673. The next prime is 87843703. The reversal of 87843701 is 10734878.

It can be written as a sum of positive squares in only one way, i.e., 87422500 + 421201 = 9350^2 + 649^2 .

It is a de Polignac number, because none of the positive numbers 2^k-87843701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87843703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362870 + ... + 363111.

It is an arithmetic number, because the mean of its divisors is an integer number (16092601).

Almost surely, 2^87843701 is an apocalyptic number.

It is an amenable number.

87843701 is a deficient number, since it is larger than the sum of its proper divisors (8711905).

87843701 is a wasteful number, since it uses less digits than its factorization.

87843701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726003 (or 725992 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 87843701 is about 9372.4970525469. The cubic root of 87843701 is about 444.5325242770.

The spelling of 87843701 in words is "eighty-seven million, eight hundred forty-three thousand, seven hundred one".