542577939 has 8 divisors (see below), whose sum is σ = 730895760. Its totient is φ = 357989376.

The previous prime is 542577929. The next prime is 542577943. The reversal of 542577939 is 939775245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542577939 - 2¹⁶ = 542512403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542577891 and 542577900.

It is not an unprimeable number, because it can be changed into a prime (542577929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931974 + ... + 932555.

It is an arithmetic number, because the mean of its divisors is an integer number (91361970).

Almost surely, 2^542577939 is an apocalyptic number.

542577939 is a deficient number, since it is larger than the sum of its proper divisors (188317821).

542577939 is a wasteful number, since it uses less digits than its factorization.

542577939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864629.

The product of its digits is 2381400, while the sum is 51.

The square root of 542577939 is about 23293.3024494167. The cubic root of 542577939 is about 815.6190807280.

The spelling of 542577939 in words is "five hundred forty-two million, five hundred seventy-seven thousand, nine hundred thirty-nine".