100287894373 has 4 divisors (see below), whose sum is σ = 100290668940. Its totient is φ = 100285119808.

The previous prime is 100287894353. The next prime is 100287894383. The reversal of 100287894373 is 373498782001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373498782001 = 103 ⋅3626201767.

It can be written as a sum of positive squares in 2 ways, for example, as 57745531809 + 42542362564 = 240303^2 + 206258^2 .

It is a cyclic number.

It is not a de Polignac number, because 100287894373 - 2²¹ = 100285797221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100287894373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100287894353) 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 in 3 ways as a sum of consecutive naturals, for example, 1332340 + ... + 1405597.

It is an arithmetic number, because the mean of its divisors is an integer number (25072667235).

Almost surely, 2^100287894373 is an apocalyptic number.

It is an amenable number.

100287894373 is a deficient number, since it is larger than the sum of its proper divisors (2774567).

100287894373 is an equidigital number, since it uses as much as digits as its factorization.

100287894373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774566.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 100287894373 in words is "one hundred billion, two hundred eighty-seven million, eight hundred ninety-four thousand, three hundred seventy-three".