488724457 has 4 divisors (see below), whose sum is σ = 526318660. Its totient is φ = 451130256.

The previous prime is 488724433. The next prime is 488724461. The reversal of 488724457 is 754427884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78216336 + 410508121 = 8844^2 + 20261^2 .

It is a cyclic number.

It is not a de Polignac number, because 488724457 - 2⁷ = 488724329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 488724457.

It is not an unprimeable number, because it can be changed into a prime (488724407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18797082 + ... + 18797107.

It is an arithmetic number, because the mean of its divisors is an integer number (131579665).

Almost surely, 2^488724457 is an apocalyptic number.

It is an amenable number.

488724457 is a deficient number, since it is larger than the sum of its proper divisors (37594203).

488724457 is a wasteful number, since it uses less digits than its factorization.

488724457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37594202.

The product of its digits is 2007040, while the sum is 49.

The square root of 488724457 is about 22107.1132670007. The cubic root of 488724457 is about 787.6888372877.

The spelling of 488724457 in words is "four hundred eighty-eight million, seven hundred twenty-four thousand, four hundred fifty-seven".