87430847 has 12 divisors (see below), whose sum is σ = 107688960. Its totient is φ = 70531776.

The previous prime is 87430793. The next prime is 87430879. The reversal of 87430847 is 74803478.

It is not a de Polignac number, because 87430847 - 2¹² = 87426751 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 (87430547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51647 + ... + 53312.

It is an arithmetic number, because the mean of its divisors is an integer number (8974080).

Almost surely, 2^87430847 is an apocalyptic number.

87430847 is a deficient number, since it is larger than the sum of its proper divisors (20258113).

87430847 is a wasteful number, since it uses less digits than its factorization.

87430847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104990 (or 104983 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 87430847 is about 9350.4463529823. The cubic root of 87430847 is about 443.8350153321.

The spelling of 87430847 in words is "eighty-seven million, four hundred thirty thousand, eight hundred forty-seven".