42950777 has 4 divisors (see below), whose sum is σ = 43433460. Its totient is φ = 42468096.

The previous prime is 42950759. The next prime is 42950783. The reversal of 42950777 is 77705924.

42950777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12524521 + 30426256 = 3539^2 + 5516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42950777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42950797) 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 3 ways as a sum of consecutive naturals, for example, 241208 + ... + 241385.

It is an arithmetic number, because the mean of its divisors is an integer number (10858365).

Almost surely, 2^42950777 is an apocalyptic number.

It is an amenable number.

42950777 is a deficient number, since it is larger than the sum of its proper divisors (482683).

42950777 is an equidigital number, since it uses as much as digits as its factorization.

42950777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482682.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 42950777 is about 6553.6842310261. The cubic root of 42950777 is about 350.2060745611.

The spelling of 42950777 in words is "forty-two million, nine hundred fifty thousand, seven hundred seventy-seven".