90910100107 has 2 divisors, whose sum is σ = 90910100108. Its totient is φ = 90910100106.

The previous prime is 90910100077. The next prime is 90910100117. The reversal of 90910100107 is 70100101909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90910100107 - 2⁷ = 90910099979 is a prime.

It is a super-2 number, since 2×90910100107² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90910100117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45455050053 + 45455050054.

It is an arithmetic number, because the mean of its divisors is an integer number (45455050054).

Almost surely, 2^90910100107 is an apocalyptic number.

90910100107 is a deficient number, since it is larger than the sum of its proper divisors (1).

90910100107 is an equidigital number, since it uses as much as digits as its factorization.

90910100107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 28.

The spelling of 90910100107 in words is "ninety billion, nine hundred ten million, one hundred thousand, one hundred seven".