542818887 has 16 divisors (see below), whose sum is σ = 787473120. Its totient is φ = 330596352.

The previous prime is 542818879. The next prime is 542818907. The reversal of 542818887 is 788818245.

It is not a de Polignac number, because 542818887 - 2³ = 542818879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542818807) 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, 67962 + ... + 75527.

It is an arithmetic number, because the mean of its divisors is an integer number (49217070).

Almost surely, 2^542818887 is an apocalyptic number.

542818887 is a deficient number, since it is larger than the sum of its proper divisors (244654233).

542818887 is a wasteful number, since it uses less digits than its factorization.

542818887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143602.

The product of its digits is 1146880, while the sum is 51.

The square root of 542818887 is about 23298.4739199803. The cubic root of 542818887 is about 815.7397962289.

The spelling of 542818887 in words is "five hundred forty-two million, eight hundred eighteen thousand, eight hundred eighty-seven".