10226978699 has 6 divisors (see below), whose sum is σ = 11896689564. Its totient is φ = 8765981700.

The previous prime is 10226978653. The next prime is 10226978701. The reversal of 10226978699 is 99687962201.

10226978699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10226978699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10226978899) 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 5 ways as a sum of consecutive naturals, for example, 104356877 + ... + 104356974.

It is an arithmetic number, because the mean of its divisors is an integer number (1982781594).

Almost surely, 2^10226978699 is an apocalyptic number.

10226978699 is a deficient number, since it is larger than the sum of its proper divisors (1669710865).

10226978699 is an equidigital number, since it uses as much as digits as its factorization.

10226978699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208713865 (or 208713858 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 10226978699 in words is "ten billion, two hundred twenty-six million, nine hundred seventy-eight thousand, six hundred ninety-nine".