100639220767 has 4 divisors (see below), whose sum is σ = 105936021880. Its totient is φ = 95342419656.

The previous prime is 100639220761. The next prime is 100639220779. The reversal of 100639220767 is 767022936001.

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

It is a cyclic number.

It is not a de Polignac number, because 100639220767 - 2¹⁹ = 100638696479 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 (100639220761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2648400528 + ... + 2648400565.

It is an arithmetic number, because the mean of its divisors is an integer number (26484005470).

Almost surely, 2^100639220767 is an apocalyptic number.

100639220767 is a deficient number, since it is larger than the sum of its proper divisors (5296801113).

100639220767 is an equidigital number, since it uses as much as digits as its factorization.

100639220767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296801112.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 100639220767 in words is "one hundred billion, six hundred thirty-nine million, two hundred twenty thousand, seven hundred sixty-seven".