10500065777 has 8 divisors (see below), whose sum is σ = 10958224320. Its totient is φ = 10042043440.

The previous prime is 10500065767. The next prime is 10500065789. The reversal of 10500065777 is 77756000501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10500065777 - 2²⁰ = 10499017201 is a prime.

It is a super-2 number, since 2×10500065777² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10500065777.

It is not an unprimeable number, because it can be changed into a prime (10500065767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143174 + ... + 203712.

It is an arithmetic number, because the mean of its divisors is an integer number (1369778040).

Almost surely, 2^10500065777 is an apocalyptic number.

It is an amenable number.

10500065777 is a deficient number, since it is larger than the sum of its proper divisors (458158543).

10500065777 is an equidigital number, since it uses as much as digits as its factorization.

10500065777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68103.

The product of its (nonzero) digits is 51450, while the sum is 38.

The spelling of 10500065777 in words is "ten billion, five hundred million, sixty-five thousand, seven hundred seventy-seven".