100047277 has 8 divisors (see below), whose sum is σ = 110045952. Its totient is φ = 90950860.

The previous prime is 100047253. The next prime is 100047289. The reversal of 100047277 is 772740001.

It is not a de Polignac number, because 100047277 - 2¹¹ = 100045229 is a prime.

It is a super-2 number, since 2×100047277² = 20018915270229458, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100047377) 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, 36253 + ... + 38914.

It is an arithmetic number, because the mean of its divisors is an integer number (13755744).

Almost surely, 2^100047277 is an apocalyptic number.

It is an amenable number.

100047277 is a deficient number, since it is larger than the sum of its proper divisors (9998675).

100047277 is an frugal number, since it uses more digits than its factorization.

100047277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75200 (or 75178 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 100047277 is about 10002.3635706767. The cubic root of 100047277 is about 464.2320186355.

Adding to 100047277 its reverse (772740001), we get a palindrome (872787278).

The spelling of 100047277 in words is "one hundred million, forty-seven thousand, two hundred seventy-seven".