87225652279 has 4 divisors (see below), whose sum is σ = 88072503376. Its totient is φ = 86378801184.

The previous prime is 87225652147. The next prime is 87225652303. The reversal of 87225652279 is 97225652278.

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 87225652279 - 2¹¹ = 87225650231 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 (87225652879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423425394 + ... + 423425599.

It is an arithmetic number, because the mean of its divisors is an integer number (22018125844).

Almost surely, 2^87225652279 is an apocalyptic number.

87225652279 is a deficient number, since it is larger than the sum of its proper divisors (846851097).

87225652279 is a wasteful number, since it uses less digits than its factorization.

87225652279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846851096.

The product of its digits is 8467200, while the sum is 55.

Subtracting 87225652279 from its reverse (97225652278), we obtain a palindrome (9999999999).

The spelling of 87225652279 in words is "eighty-seven billion, two hundred twenty-five million, six hundred fifty-two thousand, two hundred seventy-nine".