10921977 has 12 divisors (see below), whose sum is σ = 17210544. Its totient is φ = 6619320.

The previous prime is 10921969. The next prime is 10921997. The reversal of 10921977 is 77912901.

It is not a de Polignac number, because 10921977 - 2³ = 10921969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10921927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55063 + ... + 55260.

It is an arithmetic number, because the mean of its divisors is an integer number (1434212).

Almost surely, 2^10921977 is an apocalyptic number.

It is an amenable number.

10921977 is a deficient number, since it is larger than the sum of its proper divisors (6288567).

10921977 is a wasteful number, since it uses less digits than its factorization.

10921977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110340 (or 110337 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 10921977 is about 3304.8414485418. The cubic root of 10921977 is about 221.8709378877.

The spelling of 10921977 in words is "ten million, nine hundred twenty-one thousand, nine hundred seventy-seven".