481579791 has 48 divisors (see below), whose sum is σ = 862824960. Its totient is φ = 235441920.

The previous prime is 481579789. The next prime is 481579799. The reversal of 481579791 is 197975184.

It is a happy number.

It is not a de Polignac number, because 481579791 - 2¹ = 481579789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481579799) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18730 + ... + 36248.

It is an arithmetic number, because the mean of its divisors is an integer number (17975520).

Almost surely, 2^481579791 is an apocalyptic number.

481579791 is a deficient number, since it is larger than the sum of its proper divisors (381245169).

481579791 is a wasteful number, since it uses less digits than its factorization.

481579791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564 (or 17557 counting only the distinct ones).

The product of its digits is 635040, while the sum is 51.

The square root of 481579791 is about 21944.9263156658. The cubic root of 481579791 is about 783.8315698980.

The spelling of 481579791 in words is "four hundred eighty-one million, five hundred seventy-nine thousand, seven hundred ninety-one".