87408039723 has 8 divisors (see below), whose sum is σ = 116546139648. Its totient is φ = 58270983144.

The previous prime is 87408039713. The next prime is 87408039737. The reversal of 87408039723 is 32793080478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87408039723 - 2⁶ = 87408039659 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (87408039703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38211 + ... + 419852.

It is an arithmetic number, because the mean of its divisors is an integer number (14568267456).

Almost surely, 2^87408039723 is an apocalyptic number.

87408039723 is a deficient number, since it is larger than the sum of its proper divisors (29138099925).

87408039723 is a wasteful number, since it uses less digits than its factorization.

87408039723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521673.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 87408039723 in words is "eighty-seven billion, four hundred eight million, thirty-nine thousand, seven hundred twenty-three".