42116977 has 16 divisors (see below), whose sum is σ = 51015040. Its totient is φ = 33965568.

The previous prime is 42116969. The next prime is 42116981. The reversal of 42116977 is 77961124.

It is not a de Polignac number, because 42116977 - 2³ = 42116969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42116947) 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, 19873 + ... + 21889.

It is an arithmetic number, because the mean of its divisors is an integer number (3188440).

Almost surely, 2^42116977 is an apocalyptic number.

It is an amenable number.

42116977 is a deficient number, since it is larger than the sum of its proper divisors (8898063).

42116977 is a wasteful number, since it uses less digits than its factorization.

42116977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its digits is 21168, while the sum is 37.

The square root of 42116977 is about 6489.7593946155. The cubic root of 42116977 is about 347.9250758020.

The spelling of 42116977 in words is "forty-two million, one hundred sixteen thousand, nine hundred seventy-seven".