42777254 has 32 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 18824832.

The previous prime is 42777247. The next prime is 42777257. The reversal of 42777254 is 45277724.

42777254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42777257) 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 15 ways as a sum of consecutive naturals, for example, 50567 + ... + 51405.

It is an arithmetic number, because the mean of its divisors is an integer number (2262330).

Almost surely, 2^42777254 is an apocalyptic number.

42777254 is a deficient number, since it is larger than the sum of its proper divisors (29617306).

42777254 is a wasteful number, since it uses less digits than its factorization.

42777254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its digits is 109760, while the sum is 38.

The square root of 42777254 is about 6540.4322487126. The cubic root of 42777254 is about 349.7338221106.

The spelling of 42777254 in words is "forty-two million, seven hundred seventy-seven thousand, two hundred fifty-four".