10500500077 has 2 divisors, whose sum is σ = 10500500078. Its totient is φ = 10500500076.

The previous prime is 10500500039. The next prime is 10500500093. The reversal of 10500500077 is 77000500501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9683740836 + 816759241 = 98406^2 + 28579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10500500077 is a prime.

It is a super-2 number, since 2×10500500077² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10500500377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250250038 + 5250250039.

It is an arithmetic number, because the mean of its divisors is an integer number (5250250039).

Almost surely, 2^10500500077 is an apocalyptic number.

It is an amenable number.

10500500077 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500500077 is an equidigital number, since it uses as much as digits as its factorization.

10500500077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1225, while the sum is 25.

The spelling of 10500500077 in words is "ten billion, five hundred million, five hundred thousand, seventy-seven".