540774987 has 8 divisors (see below), whose sum is σ = 730160640. Its totient is φ = 355953000.

The previous prime is 540774959. The next prime is 540774989. The reversal of 540774987 is 789477045.

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

It is not a de Polignac number, because 540774987 - 2⁷ = 540774859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540774989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140639 + ... + 1141112.

It is an arithmetic number, because the mean of its divisors is an integer number (91270080).

Almost surely, 2^540774987 is an apocalyptic number.

540774987 is a deficient number, since it is larger than the sum of its proper divisors (189385653).

540774987 is a wasteful number, since it uses less digits than its factorization.

540774987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281833.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 540774987 is about 23254.5691639299. The cubic root of 540774987 is about 814.7146614255.

The spelling of 540774987 in words is "five hundred forty million, seven hundred seventy-four thousand, nine hundred eighty-seven".