87440882851 has 16 divisors (see below), whose sum is σ = 105225740800. Its totient is φ = 70981878528.

The previous prime is 87440882827. The next prime is 87440882863. The reversal of 87440882851 is 15828804478.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 87440882851 - 2⁷ = 87440882723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87440882792 and 87440882801.

It is not an unprimeable number, because it can be changed into a prime (87440882951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317746 + ... + 525208.

It is an arithmetic number, because the mean of its divisors is an integer number (6576608800).

Almost surely, 2^87440882851 is an apocalyptic number.

87440882851 is a deficient number, since it is larger than the sum of its proper divisors (17784857949).

87440882851 is a wasteful number, since it uses less digits than its factorization.

87440882851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210658.

The product of its (nonzero) digits is 4587520, while the sum is 55.

The spelling of 87440882851 in words is "eighty-seven billion, four hundred forty million, eight hundred eighty-two thousand, eight hundred fifty-one".