87309442076573 has 8 divisors (see below), whose sum is σ = 87422991180096. Its totient is φ = 87195956680800.

The previous prime is 87309442076561. The next prime is 87309442076587. The reversal of 87309442076573 is 37567024490378.

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

It is a cyclic number.

It is not a de Polignac number, because 87309442076573 - 2⁶ = 87309442076509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87309442076173) 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, 13183913 + ... + 18666398.

It is an arithmetic number, because the mean of its divisors is an integer number (10927873897512).

Almost surely, 2^{87309442076573} is an apocalyptic number.

It is an amenable number.

87309442076573 is a deficient number, since it is larger than the sum of its proper divisors (113549103523).

87309442076573 is a wasteful number, since it uses less digits than its factorization.

87309442076573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31853875.

The product of its (nonzero) digits is 213373440, while the sum is 65.

The spelling of 87309442076573 in words is "eighty-seven trillion, three hundred nine billion, four hundred forty-two million, seventy-six thousand, five hundred seventy-three".