42777825783 has 16 divisors (see below), whose sum is σ = 71111191296. Its totient is φ = 22222247040.

The previous prime is 42777825767. The next prime is 42777825803. The reversal of 42777825783 is 38752877724.

It is not a de Polignac number, because 42777825783 - 2⁴ = 42777825767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42777825743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92592466 + ... + 92592927.

It is an arithmetic number, because the mean of its divisors is an integer number (4444449456).

Almost surely, 2^42777825783 is an apocalyptic number.

42777825783 is a deficient number, since it is larger than the sum of its proper divisors (28333365513).

42777825783 is a wasteful number, since it uses less digits than its factorization.

42777825783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185185414.

The product of its digits is 36879360, while the sum is 60.

The spelling of 42777825783 in words is "forty-two billion, seven hundred seventy-seven million, eight hundred twenty-five thousand, seven hundred eighty-three".