542065777 has 8 divisors (see below), whose sum is σ = 591930432. Its totient is φ = 492298800.

The previous prime is 542065751. The next prime is 542065781. The reversal of 542065777 is 777560245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542065777 is a prime.

It is a super-2 number, since 2×542065777² = 587670613189227458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542065177) 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, 12558 + ... + 35239.

It is an arithmetic number, because the mean of its divisors is an integer number (73991304).

Almost surely, 2^542065777 is an apocalyptic number.

It is an amenable number.

542065777 is a deficient number, since it is larger than the sum of its proper divisors (49864655).

542065777 is a wasteful number, since it uses less digits than its factorization.

542065777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48839.

The product of its (nonzero) digits is 411600, while the sum is 43.

The square root of 542065777 is about 23282.3060928251. The cubic root of 542065777 is about 815.3623676208.

The spelling of 542065777 in words is "five hundred forty-two million, sixty-five thousand, seven hundred seventy-seven".