10929478977 has 12 divisors (see below), whose sum is σ = 15949779300. Its totient is φ = 7211202048.

The previous prime is 10929478969. The next prime is 10929478979. The reversal of 10929478977 is 77987492901.

10929478977 is a `hidden beast` number, since 1 + 0 + 92 + 9 + 478 + 9 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3447920961 + 7481558016 = 58719^2 + 86496^2 .

It is not a de Polignac number, because 10929478977 - 2³ = 10929478969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10929478979) 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, 6258852 + ... + 6260597.

It is an arithmetic number, because the mean of its divisors is an integer number (1329148275).

Almost surely, 2^10929478977 is an apocalyptic number.

It is an amenable number.

10929478977 is a deficient number, since it is larger than the sum of its proper divisors (5020300323).

10929478977 is a wasteful number, since it uses less digits than its factorization.

10929478977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12519552 (or 12519549 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 63.

The spelling of 10929478977 in words is "ten billion, nine hundred twenty-nine million, four hundred seventy-eight thousand, nine hundred seventy-seven".