87931309355 has 8 divisors (see below), whose sum is σ = 105520254000. Its totient is φ = 70343258976.

The previous prime is 87931309351. The next prime is 87931309357. The reversal of 87931309355 is 55390313978.

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 87931309355 - 2² = 87931309351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87931309297 and 87931309306.

It is not an unprimeable number, because it can be changed into a prime (87931309351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16121 + ... + 419669.

It is an arithmetic number, because the mean of its divisors is an integer number (13190031750).

Almost surely, 2^87931309355 is an apocalyptic number.

87931309355 is a deficient number, since it is larger than the sum of its proper divisors (17588944645).

87931309355 is a wasteful number, since it uses less digits than its factorization.

87931309355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447133.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 87931309355 in words is "eighty-seven billion, nine hundred thirty-one million, three hundred nine thousand, three hundred fifty-five".