100080997 has 2 divisors, whose sum is σ = 100080998. Its totient is φ = 100080996.

The previous prime is 100080983. The next prime is 100081031. The reversal of 100080997 is 799080001.

It is an a-pointer prime, because the next prime (100081031) can be obtained adding 100080997 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71927361 + 28153636 = 8481^2 + 5306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100080997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100080977) 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 as a sum of consecutive naturals, namely, 50040498 + 50040499.

It is an arithmetic number, because the mean of its divisors is an integer number (50040499).

Almost surely, 2^100080997 is an apocalyptic number.

It is an amenable number.

100080997 is a deficient number, since it is larger than the sum of its proper divisors (1).

100080997 is an equidigital number, since it uses as much as digits as its factorization.

100080997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 100080997 is about 10004.0490302677. The cubic root of 100080997 is about 464.2841677987.

The spelling of 100080997 in words is "one hundred million, eighty thousand, nine hundred ninety-seven".