257080486 has 8 divisors (see below), whose sum is σ = 415283904. Its totient is φ = 118652520.

The previous prime is 257080471. The next prime is 257080493. The reversal of 257080486 is 684080752.

257080486 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4943830 + ... + 4943881.

It is an arithmetic number, because the mean of its divisors is an integer number (51910488).

Almost surely, 2^257080486 is an apocalyptic number.

257080486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

257080486 is a deficient number, since it is larger than the sum of its proper divisors (158203418).

257080486 is a wasteful number, since it uses less digits than its factorization.

257080486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9887726.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 257080486 is about 16033.7296347419. The cubic root of 257080486 is about 635.8524818392.

The spelling of 257080486 in words is "two hundred fifty-seven million, eighty thousand, four hundred eighty-six".