40766777 has 8 divisors (see below), whose sum is σ = 41600136. Its totient is φ = 39940992.

The previous prime is 40766773. The next prime is 40766783. The reversal of 40766777 is 77766704.

40766777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 456976 + 40309801 = 676^2 + 6349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40766777 - 2² = 40766773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40766773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9683 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (5200017).

Almost surely, 2^40766777 is an apocalyptic number.

It is an amenable number.

40766777 is a deficient number, since it is larger than the sum of its proper divisors (833359).

40766777 is a wasteful number, since it uses less digits than its factorization.

40766777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 345744, while the sum is 44.

The square root of 40766777 is about 6384.8866082335. The cubic root of 40766777 is about 344.1666563352.

The spelling of 40766777 in words is "forty million, seven hundred sixty-six thousand, seven hundred seventy-seven".