87060803081855 has 16 divisors (see below), whose sum is σ = 108077832204480. Its totient is φ = 67245501351168.

The previous prime is 87060803081851. The next prime is 87060803081873. The reversal of 87060803081855 is 55818030806078.

It is a cyclic number.

It is not a de Polignac number, because 87060803081855 - 2² = 87060803081851 is a prime.

It is a super-5 number, since 5×87060803081855⁵ (a number of 71 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87060803081794 and 87060803081803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87060803081851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173219 + ... + 13196651.

It is an arithmetic number, because the mean of its divisors is an integer number (6754864512780).

Almost surely, 2^{87060803081855} is an apocalyptic number.

87060803081855 is a deficient number, since it is larger than the sum of its proper divisors (21017029122625).

87060803081855 is a wasteful number, since it uses less digits than its factorization.

87060803081855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13069570.

The product of its (nonzero) digits is 12902400, while the sum is 59.

The spelling of 87060803081855 in words is "eighty-seven trillion, sixty billion, eight hundred three million, eighty-one thousand, eight hundred fifty-five".