100747898 has 4 divisors (see below), whose sum is σ = 151121850. Its totient is φ = 50373948.

The previous prime is 100747891. The next prime is 100747901. The reversal of 100747898 is 898747001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898747001 = 97 ⋅9265433.

It can be written as a sum of positive squares in only one way, i.e., 68178049 + 32569849 = 8257^2 + 5707^2 .

It is not an unprimeable number, because it can be changed into a prime (100747891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25186973 + ... + 25186976.

Almost surely, 2^100747898 is an apocalyptic number.

100747898 is a deficient number, since it is larger than the sum of its proper divisors (50373952).

100747898 is an equidigital number, since it uses as much as digits as its factorization.

100747898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50373951.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 100747898 is about 10037.3252413180. The cubic root of 100747898 is about 465.3131555350.

The spelling of 100747898 in words is "one hundred million, seven hundred forty-seven thousand, eight hundred ninety-eight".