87100830143 has 4 divisors (see below), whose sum is σ = 89126430888. Its totient is φ = 85075229400.

The previous prime is 87100830139. The next prime is 87100830151. The reversal of 87100830143 is 34103800178.

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 87100830143 - 2² = 87100830139 is a prime.

It is a super-2 number, since 2×87100830143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87100833143) 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, 1012800308 + ... + 1012800393.

It is an arithmetic number, because the mean of its divisors is an integer number (22281607722).

Almost surely, 2^87100830143 is an apocalyptic number.

87100830143 is a deficient number, since it is larger than the sum of its proper divisors (2025600745).

87100830143 is a wasteful number, since it uses less digits than its factorization.

87100830143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025600744.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 87100830143 in words is "eighty-seven billion, one hundred million, eight hundred thirty thousand, one hundred forty-three".