542587478 has 8 divisors (see below), whose sum is σ = 814151520. Its totient is φ = 271203640.

The previous prime is 542587471. The next prime is 542587511. The reversal of 542587478 is 874785245.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542587471) 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, 37253 + ... + 49728.

It is an arithmetic number, because the mean of its divisors is an integer number (101768940).

Almost surely, 2^542587478 is an apocalyptic number.

542587478 is a deficient number, since it is larger than the sum of its proper divisors (271564042).

542587478 is a wasteful number, since it uses less digits than its factorization.

542587478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90102.

The product of its digits is 2508800, while the sum is 50.

The square root of 542587478 is about 23293.5072069450. The cubic root of 542587478 is about 815.6238604683.

The spelling of 542587478 in words is "five hundred forty-two million, five hundred eighty-seven thousand, four hundred seventy-eight".