87073681807 has 8 divisors (see below), whose sum is σ = 99535972256. Its totient is φ = 74617189632.

The previous prime is 87073681763. The next prime is 87073681813. The reversal of 87073681807 is 70818637078.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87073681807 is a prime.

It is the 295083-rd Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87073681007) by changing a digit.

It is a nontrivial repunit in base 295082.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417338 + ... + 1477495.

It is an arithmetic number, because the mean of its divisors is an integer number (12441996532).

Almost surely, 2^87073681807 is an apocalyptic number.

87073681807 is a deficient number, since it is larger than the sum of its proper divisors (12462290449).

87073681807 is a wasteful number, since it uses less digits than its factorization.

87073681807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899137.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 87073681807 in words is "eighty-seven billion, seventy-three million, six hundred eighty-one thousand, eight hundred seven".