87673228459 has 4 divisors (see below), whose sum is σ = 87847529616. Its totient is φ = 87498927304.

The previous prime is 87673228411. The next prime is 87673228463. The reversal of 87673228459 is 95482237678.

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 87673228459 - 2¹¹ = 87673226411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87673228397 and 87673228406.

It is not an unprimeable number, because it can be changed into a prime (87673228259) 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, 87149824 + ... + 87150829.

It is an arithmetic number, because the mean of its divisors is an integer number (21961882404).

Almost surely, 2^87673228459 is an apocalyptic number.

87673228459 is a deficient number, since it is larger than the sum of its proper divisors (174301157).

87673228459 is a wasteful number, since it uses less digits than its factorization.

87673228459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174301156.

The product of its digits is 40642560, while the sum is 61.

The spelling of 87673228459 in words is "eighty-seven billion, six hundred seventy-three million, two hundred twenty-eight thousand, four hundred fifty-nine".