87397832893 has 8 divisors (see below), whose sum is σ = 99886742912. Its totient is φ = 74909799216.

The previous prime is 87397832857. The next prime is 87397832909. The reversal of 87397832893 is 39823879378.

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

It is a de Polignac number, because none of the positive numbers 2^k-87397832893 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 (87397832843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10696 + ... + 418222.

It is an arithmetic number, because the mean of its divisors is an integer number (12485842864).

Almost surely, 2^87397832893 is an apocalyptic number.

It is an amenable number.

87397832893 is a deficient number, since it is larger than the sum of its proper divisors (12488910019).

87397832893 is a wasteful number, since it uses less digits than its factorization.

87397832893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438171.

The product of its digits is 109734912, while the sum is 67.

The spelling of 87397832893 in words is "eighty-seven billion, three hundred ninety-seven million, eight hundred thirty-two thousand, eight hundred ninety-three".