100039797 has 24 divisors (see below), whose sum is σ = 169766688. Its totient is φ = 55965600.

The previous prime is 100039739. The next prime is 100039799. The reversal of 100039797 is 797930001.

It is not a de Polignac number, because 100039797 - 2⁷ = 100039669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100039799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37579 + ... + 40152.

It is an arithmetic number, because the mean of its divisors is an integer number (7073612).

Almost surely, 2^100039797 is an apocalyptic number.

It is an amenable number.

100039797 is a deficient number, since it is larger than the sum of its proper divisors (69726891).

100039797 is a wasteful number, since it uses less digits than its factorization.

100039797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77761 (or 77758 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 100039797 is about 10001.9896520642. The cubic root of 100039797 is about 464.2204489652.

Adding to 100039797 its reverse (797930001), we get a palindrome (897969798).

The spelling of 100039797 in words is "one hundred million, thirty-nine thousand, seven hundred ninety-seven".