257599991083 has 8 divisors (see below), whose sum is σ = 258926816000. Its totient is φ = 256273490088.

The previous prime is 257599991069. The next prime is 257599991137. The reversal of 257599991083 is 380199995752.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-257599991083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257599991983) 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, 1603498 + ... + 1756816.

It is an arithmetic number, because the mean of its divisors is an integer number (32365852000).

Almost surely, 2^257599991083 is an apocalyptic number.

257599991083 is a deficient number, since it is larger than the sum of its proper divisors (1326824917).

257599991083 is a wasteful number, since it uses less digits than its factorization.

257599991083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161961.

The product of its (nonzero) digits is 55112400, while the sum is 67.

The spelling of 257599991083 in words is "two hundred fifty-seven billion, five hundred ninety-nine million, nine hundred ninety-one thousand, eighty-three".