100602778643 has 8 divisors (see below), whose sum is σ = 101461617600. Its totient is φ = 99746886888.

The previous prime is 100602778607. The next prime is 100602778649. The reversal of 100602778643 is 346877206001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100602778643 - 2¹⁰ = 100602777619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100602778594 and 100602778603.

It is not an unprimeable number, because it can be changed into a prime (100602778649) 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 7 ways as a sum of consecutive naturals, for example, 668213 + ... + 804806.

It is an arithmetic number, because the mean of its divisors is an integer number (12682702200).

Almost surely, 2^100602778643 is an apocalyptic number.

100602778643 is a deficient number, since it is larger than the sum of its proper divisors (858838957).

100602778643 is a wasteful number, since it uses less digits than its factorization.

100602778643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473601.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 100602778643 in words is "one hundred billion, six hundred two million, seven hundred seventy-eight thousand, six hundred forty-three".