817480013 has 32 divisors (see below), whose sum is σ = 989872128. Its totient is φ = 660441600.

The previous prime is 817479991. The next prime is 817480019. The reversal of 817480013 is 310084718.

It is not a de Polignac number, because 817480013 - 2²⁴ = 800702797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (817480019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1494206 + ... + 1494752.

It is an arithmetic number, because the mean of its divisors is an integer number (30933504).

Almost surely, 2^817480013 is an apocalyptic number.

It is an amenable number.

817480013 is a deficient number, since it is larger than the sum of its proper divisors (172392115).

817480013 is a wasteful number, since it uses less digits than its factorization.

817480013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 817480013 is about 28591.6073874835. The cubic root of 817480013 is about 935.0303641945.

The spelling of 817480013 in words is "eight hundred seventeen million, four hundred eighty thousand, thirteen".