481578657 has 8 divisors (see below), whose sum is σ = 733834176. Its totient is φ = 275187792.

The previous prime is 481578641. The next prime is 481578659. The reversal of 481578657 is 756875184.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 481578657 - 2⁴ = 481578641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481578659) 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, 11466138 + ... + 11466179.

It is an arithmetic number, because the mean of its divisors is an integer number (91729272).

Almost surely, 2^481578657 is an apocalyptic number.

It is an amenable number.

481578657 is a deficient number, since it is larger than the sum of its proper divisors (252255519).

481578657 is a wasteful number, since it uses less digits than its factorization.

481578657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22932327.

The product of its digits is 1881600, while the sum is 51.

The square root of 481578657 is about 21944.9004782432. The cubic root of 481578657 is about 783.8309546550.

The spelling of 481578657 in words is "four hundred eighty-one million, five hundred seventy-eight thousand, six hundred fifty-seven".