815530463 has 8 divisors (see below), whose sum is σ = 894329856. Its totient is φ = 737507800.

The previous prime is 815530453. The next prime is 815530493. The reversal of 815530463 is 364035518.

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 815530463 - 2¹⁴ = 815514079 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 (815530453) 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, 191981 + ... + 196182.

It is an arithmetic number, because the mean of its divisors is an integer number (111791232).

Almost surely, 2^815530463 is an apocalyptic number.

815530463 is a deficient number, since it is larger than the sum of its proper divisors (78799393).

815530463 is a wasteful number, since it uses less digits than its factorization.

815530463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388365.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 815530463 is about 28557.4939901946. The cubic root of 815530463 is about 934.2864767058.

The spelling of 815530463 in words is "eight hundred fifteen million, five hundred thirty thousand, four hundred sixty-three".