100768147786 has 4 divisors (see below), whose sum is σ = 151152221682. Its totient is φ = 50384073892.

The previous prime is 100768147783. The next prime is 100768147801. The reversal of 100768147786 is 687741867001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76250538225 + 24517609561 = 276135^2 + 156581^2 .

It is a super-2 number, since 2×100768147786² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100768147783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25192036945 + ... + 25192036948.

Almost surely, 2^100768147786 is an apocalyptic number.

100768147786 is a deficient number, since it is larger than the sum of its proper divisors (50384073896).

100768147786 is an equidigital number, since it uses as much as digits as its factorization.

100768147786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50384073895.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 100768147786 in words is "one hundred billion, seven hundred sixty-eight million, one hundred forty-seven thousand, seven hundred eighty-six".