7886226887 has 16 divisors (see below), whose sum is σ = 10349664000. Its totient is φ = 5821683840.

The previous prime is 7886226871. The next prime is 7886226923.

7886226887 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7886226887 - 2⁴ = 7886226871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7886222887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2693762 + ... + 2696687.

It is an arithmetic number, because the mean of its divisors is an integer number (646854000).

Almost surely, 2^7886226887 is an apocalyptic number.

7886226887 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

7886226887 is a deficient number, since it is larger than the sum of its proper divisors (2463437113).

7886226887 is a wasteful number, since it uses less digits than its factorization.

7886226887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390486.

The product of its digits is 28901376, while the sum is 62.

The square root of 7886226887 is about 88804.4305595166. The cubic root of 7886226887 is about 1990.4736031769.

The spelling of 7886226887 in words is "seven billion, eight hundred eighty-six million, two hundred twenty-six thousand, eight hundred eighty-seven".