10899777604 has 9 divisors (see below), whose sum is σ = 19074976221. Its totient is φ = 5449784400.

The previous prime is 10899777601. The next prime is 10899777611. The reversal of 10899777604 is 40677799801.

The square root of 10899777604 is 104402.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9274075204 + 1625702400 = 96302^2 + 40320^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10899777601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 182704 + ... + 234904.

Almost surely, 2^10899777604 is an apocalyptic number.

10899777604 is the 104402-nd square number.

It is an amenable number.

10899777604 is a deficient number, since it is larger than the sum of its proper divisors (8175198617).

10899777604 is an frugal number, since it uses more digits than its factorization.

10899777604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104406 (or 52203 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 58.

The spelling of 10899777604 in words is "ten billion, eight hundred ninety-nine million, seven hundred seventy-seven thousand, six hundred four".