542917787 has 8 divisors (see below), whose sum is σ = 579757440. Its totient is φ = 507286080.

The previous prime is 542917741. The next prime is 542917789. The reversal of 542917787 is 787719245.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 542917787 - 2¹⁸ = 542655643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542917789) 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, 301058 + ... + 302855.

It is an arithmetic number, because the mean of its divisors is an integer number (72469680).

Almost surely, 2^542917787 is an apocalyptic number.

542917787 is a deficient number, since it is larger than the sum of its proper divisors (36839653).

542917787 is a wasteful number, since it uses less digits than its factorization.

542917787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603973.

The product of its digits is 987840, while the sum is 50.

The square root of 542917787 is about 23300.5962799238. The cubic root of 542917787 is about 815.7893350153.

The spelling of 542917787 in words is "five hundred forty-two million, nine hundred seventeen thousand, seven hundred eighty-seven".