102087005827 has 2 divisors, whose sum is σ = 102087005828. Its totient is φ = 102087005826.

The previous prime is 102087005819. The next prime is 102087005857. The reversal of 102087005827 is 728500780201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102087005827 - 2³ = 102087005819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102087005827.

It is not a weakly prime, because it can be changed into another prime (102087005857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51043502913 + 51043502914.

It is an arithmetic number, because the mean of its divisors is an integer number (51043502914).

Almost surely, 2^102087005827 is an apocalyptic number.

102087005827 is a deficient number, since it is larger than the sum of its proper divisors (1).

102087005827 is an equidigital number, since it uses as much as digits as its factorization.

102087005827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 40.

The spelling of 102087005827 in words is "one hundred two billion, eighty-seven million, five thousand, eight hundred twenty-seven".