516854388407 has 24 divisors (see below), whose sum is σ = 614148267456. Its totient is φ = 433509393408.

The previous prime is 516854388343. The next prime is 516854388409. The reversal of 516854388407 is 704883458615.

It is not a de Polignac number, because 516854388407 - 2⁶ = 516854388343 is a prime.

It is a super-3 number, since 3×516854388407³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516854388409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14059883 + ... + 14096595.

It is an arithmetic number, because the mean of its divisors is an integer number (25589511144).

Almost surely, 2^516854388407 is an apocalyptic number.

516854388407 is a deficient number, since it is larger than the sum of its proper divisors (97293879049).

516854388407 is a wasteful number, since it uses less digits than its factorization.

516854388407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42887 (or 42880 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 59.

The spelling of 516854388407 in words is "five hundred sixteen billion, eight hundred fifty-four million, three hundred eighty-eight thousand, four hundred seven".