87724759407 has 8 divisors (see below), whose sum is σ = 117820115376. Its totient is φ = 58056288192.

The previous prime is 87724759393. The next prime is 87724759489. The reversal of 87724759407 is 70495742778.

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

It is not a de Polignac number, because 87724759407 - 2⁷ = 87724759279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87724759007) 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, 106720708 + ... + 106721529.

It is an arithmetic number, because the mean of its divisors is an integer number (14727514422).

Almost surely, 2^87724759407 is an apocalyptic number.

87724759407 is a deficient number, since it is larger than the sum of its proper divisors (30095355969).

87724759407 is a wasteful number, since it uses less digits than its factorization.

87724759407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213442377.

The product of its (nonzero) digits is 27659520, while the sum is 60.

The spelling of 87724759407 in words is "eighty-seven billion, seven hundred twenty-four million, seven hundred fifty-nine thousand, four hundred seven".