42108793977 has 16 divisors (see below), whose sum is σ = 59476317120. Its totient is φ = 26408489472.

The previous prime is 42108793939. The next prime is 42108794027. The reversal of 42108793977 is 77939780124.

It is not a de Polignac number, because 42108793977 - 2⁶ = 42108793913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42108793577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91083 + ... + 304160.

It is an arithmetic number, because the mean of its divisors is an integer number (3717269820).

Almost surely, 2^42108793977 is an apocalyptic number.

It is an amenable number.

42108793977 is a deficient number, since it is larger than the sum of its proper divisors (17367523143).

42108793977 is a wasteful number, since it uses less digits than its factorization.

42108793977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397352.

The product of its (nonzero) digits is 5334336, while the sum is 57.

The spelling of 42108793977 in words is "forty-two billion, one hundred eight million, seven hundred ninety-three thousand, nine hundred seventy-seven".