87716444 has 12 divisors (see below), whose sum is σ = 154362600. Its totient is φ = 43612848.

The previous prime is 87716441. The next prime is 87716477. The reversal of 87716444 is 44461778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87716441) 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, 60539 + ... + 61970.

It is an arithmetic number, because the mean of its divisors is an integer number (12863550).

Almost surely, 2^87716444 is an apocalyptic number.

It is an amenable number.

87716444 is a deficient number, since it is larger than the sum of its proper divisors (66646156).

87716444 is a wasteful number, since it uses less digits than its factorization.

87716444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122692 (or 122690 counting only the distinct ones).

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

The square root of 87716444 is about 9365.7057395586. The cubic root of 87716444 is about 444.3177594393.

It can be divided in two parts, 8771 and 6444, that multiplied together give a square (56520324 = 7518²).

The spelling of 87716444 in words is "eighty-seven million, seven hundred sixteen thousand, four hundred forty-four".