542317977 has 8 divisors (see below), whose sum is σ = 803434080. Its totient is φ = 361545300.

The previous prime is 542317961. The next prime is 542318017. The reversal of 542317977 is 779713245.

542317977 is a `hidden beast` number, since 542 + 3 + 17 + 97 + 7 = 666.

It is not a de Polignac number, because 542317977 - 2⁴ = 542317961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542317907) 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 7 ways as a sum of consecutive naturals, for example, 10042899 + ... + 10042952.

It is an arithmetic number, because the mean of its divisors is an integer number (100429260).

Almost surely, 2^542317977 is an apocalyptic number.

It is an amenable number.

542317977 is a deficient number, since it is larger than the sum of its proper divisors (261116103).

542317977 is a wasteful number, since it uses less digits than its factorization.

542317977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20085860 (or 20085854 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 542317977 is about 23287.7215931486. The cubic root of 542317977 is about 815.4887990830.

The spelling of 542317977 in words is "five hundred forty-two million, three hundred seventeen thousand, nine hundred seventy-seven".