100076797081 has 2 divisors, whose sum is σ = 100076797082. Its totient is φ = 100076797080.

The previous prime is 100076797033. The next prime is 100076797097. The reversal of 100076797081 is 180797670001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72114268681 + 27962528400 = 268541^2 + 167220^2 .

It is a cyclic number.

It is not a de Polignac number, because 100076797081 - 2²⁹ = 99539926169 is a prime.

It is a super-2 number, since 2×100076797081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100076791081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50038398540 + 50038398541.

It is an arithmetic number, because the mean of its divisors is an integer number (50038398541).

Almost surely, 2^100076797081 is an apocalyptic number.

It is an amenable number.

100076797081 is a deficient number, since it is larger than the sum of its proper divisors (1).

100076797081 is an equidigital number, since it uses as much as digits as its factorization.

100076797081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 46.

The spelling of 100076797081 in words is "one hundred billion, seventy-six million, seven hundred ninety-seven thousand, eighty-one".