10001099077 has 2 divisors, whose sum is σ = 10001099078. Its totient is φ = 10001099076.

The previous prime is 10001099063. The next prime is 10001099081. The reversal of 10001099077 is 77099010001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9978811236 + 22287841 = 99894^2 + 4721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001099077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001099377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000549538 + 5000549539.

It is an arithmetic number, because the mean of its divisors is an integer number (5000549539).

Almost surely, 2^10001099077 is an apocalyptic number.

It is an amenable number.

10001099077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001099077 is an equidigital number, since it uses as much as digits as its factorization.

10001099077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 34.

The spelling of 10001099077 in words is "ten billion, one million, ninety-nine thousand, seventy-seven".