521412876863 has 8 divisors (see below), whose sum is σ = 544117948800. Its totient is φ = 498710717208.

The previous prime is 521412876847. The next prime is 521412876893. The reversal of 521412876863 is 368678214125.

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 521412876863 - 2⁴ = 521412876847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521412876893) 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, 358193 + ... + 1082186.

It is an arithmetic number, because the mean of its divisors is an integer number (68014743600).

Almost surely, 2^521412876863 is an apocalyptic number.

521412876863 is a deficient number, since it is larger than the sum of its proper divisors (22705071937).

521412876863 is a wasteful number, since it uses less digits than its factorization.

521412876863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456141.

The product of its digits is 3870720, while the sum is 53.

The spelling of 521412876863 in words is "five hundred twenty-one billion, four hundred twelve million, eight hundred seventy-six thousand, eight hundred sixty-three".