520984977 has 16 divisors (see below), whose sum is σ = 718947840. Its totient is φ = 335232000.

The previous prime is 520984973. The next prime is 520984979. The reversal of 520984977 is 779489025.

It is not a de Polignac number, because 520984977 - 2² = 520984973 is a prime.

It is a super-3 number, since 3×520984977³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (520984973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28977 + ... + 43377.

It is an arithmetic number, because the mean of its divisors is an integer number (44934240).

Almost surely, 2^520984977 is an apocalyptic number.

It is an amenable number.

520984977 is a deficient number, since it is larger than the sum of its proper divisors (197962863).

520984977 is a wasteful number, since it uses less digits than its factorization.

520984977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14824.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 520984977 is about 22825.0953338644. The cubic root of 520984977 is about 804.6525651145.

It can be divided in two parts, 52098 and 4977, that added together give a palindrome (57075).

The spelling of 520984977 in words is "five hundred twenty million, nine hundred eighty-four thousand, nine hundred seventy-seven".