87898343 has 4 divisors (see below), whose sum is σ = 94659768. Its totient is φ = 81136920.

The previous prime is 87898339. The next prime is 87898357. The reversal of 87898343 is 34389878.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87898343 - 2² = 87898339 is a prime.

It is a super-2 number, since 2×87898343² = 15452237404291298, which contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87898291 and 87898300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87898303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3380693 + ... + 3380718.

It is an arithmetic number, because the mean of its divisors is an integer number (23664942).

Almost surely, 2^87898343 is an apocalyptic number.

87898343 is a deficient number, since it is larger than the sum of its proper divisors (6761425).

87898343 is a wasteful number, since it uses less digits than its factorization.

87898343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761424.

The product of its digits is 1161216, while the sum is 50.

The square root of 87898343 is about 9375.4116176304. The cubic root of 87898343 is about 444.6246770104.

The spelling of 87898343 in words is "eighty-seven million, eight hundred ninety-eight thousand, three hundred forty-three".