87205826107 has 2 divisors, whose sum is σ = 87205826108. Its totient is φ = 87205826106.

The previous prime is 87205826101. The next prime is 87205826117. The reversal of 87205826107 is 70162850278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87205826107 - 2¹⁹ = 87205301819 is a prime.

It is a super-2 number, since 2×87205826107² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87205826101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43602913053 + 43602913054.

It is an arithmetic number, because the mean of its divisors is an integer number (43602913054).

Almost surely, 2^87205826107 is an apocalyptic number.

87205826107 is a deficient number, since it is larger than the sum of its proper divisors (1).

87205826107 is an equidigital number, since it uses as much as digits as its factorization.

87205826107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 87205826107 in words is "eighty-seven billion, two hundred five million, eight hundred twenty-six thousand, one hundred seven".