10777635921 has 16 divisors (see below), whose sum is σ = 15539807360. Its totient is φ = 6604865280.

The previous prime is 10777635871. The next prime is 10777635931. The reversal of 10777635921 is 12953677701.

It is not a de Polignac number, because 10777635921 - 2⁷ = 10777635793 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10777635931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563941 + ... + 582738.

It is an arithmetic number, because the mean of its divisors is an integer number (971237960).

Almost surely, 2^10777635921 is an apocalyptic number.

It is an amenable number.

10777635921 is a deficient number, since it is larger than the sum of its proper divisors (4762171439).

10777635921 is a wasteful number, since it uses less digits than its factorization.

10777635921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146936.

The product of its (nonzero) digits is 555660, while the sum is 48.

The spelling of 10777635921 in words is "ten billion, seven hundred seventy-seven million, six hundred thirty-five thousand, nine hundred twenty-one".