10780621772 has 12 divisors (see below), whose sum is σ = 19375982640. Its totient is φ = 5244626736.

The previous prime is 10780621771. The next prime is 10780621781. The reversal of 10780621772 is 27712608701.

It is not an unprimeable number, because it can be changed into a prime (10780621771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36420872 + ... + 36421167.

It is an arithmetic number, because the mean of its divisors is an integer number (1614665220).

Almost surely, 2^10780621772 is an apocalyptic number.

It is an amenable number.

10780621772 is a deficient number, since it is larger than the sum of its proper divisors (8595360868).

10780621772 is a wasteful number, since it uses less digits than its factorization.

10780621772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72842080 (or 72842078 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 10780621772 in words is "ten billion, seven hundred eighty million, six hundred twenty-one thousand, seven hundred seventy-two".