87452440723 has 16 divisors (see below), whose sum is σ = 95204329344. Its totient is φ = 79995202560.

The previous prime is 87452440711. The next prime is 87452440807. The reversal of 87452440723 is 32704425478.

It is a cyclic number.

It is not a de Polignac number, because 87452440723 - 2¹³ = 87452432531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87452446723) 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, 496711 + ... + 649327.

It is an arithmetic number, because the mean of its divisors is an integer number (5950270584).

Almost surely, 2^87452440723 is an apocalyptic number.

87452440723 is a deficient number, since it is larger than the sum of its proper divisors (7751888621).

87452440723 is a wasteful number, since it uses less digits than its factorization.

87452440723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153582.

The product of its (nonzero) digits is 1505280, while the sum is 46.

The spelling of 87452440723 in words is "eighty-seven billion, four hundred fifty-two million, four hundred forty thousand, seven hundred twenty-three".