542662878 has 8 divisors (see below), whose sum is σ = 1085325768. Its totient is φ = 180887624.

The previous prime is 542662871. The next prime is 542662889. The reversal of 542662878 is 878266245.

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

542662878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542662871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45221901 + ... + 45221912.

It is an arithmetic number, because the mean of its divisors is an integer number (135665721).

Almost surely, 2^542662878 is an apocalyptic number.

542662878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542662878 is a wasteful number, since it uses less digits than its factorization.

542662878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90443818.

The product of its digits is 1290240, while the sum is 48.

The square root of 542662878 is about 23295.1256274784. The cubic root of 542662878 is about 815.6616394398.

The spelling of 542662878 in words is "five hundred forty-two million, six hundred sixty-two thousand, eight hundred seventy-eight".