87232223278 has 4 divisors (see below), whose sum is σ = 130848334920. Its totient is φ = 43616111638.

The previous prime is 87232223269. The next prime is 87232223291.

87232223278 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21808055818 + ... + 21808055821.

It is an arithmetic number, because the mean of its divisors is an integer number (32712083730).

Almost surely, 2^87232223278 is an apocalyptic number.

87232223278 is a deficient number, since it is larger than the sum of its proper divisors (43616111642).

87232223278 is a wasteful number, since it uses less digits than its factorization.

87232223278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43616111641.

The product of its digits is 903168, while the sum is 46.

The spelling of 87232223278 in words is "eighty-seven billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred seventy-eight".