257939224906 has 8 divisors (see below), whose sum is σ = 422082368064. Its totient is φ = 117245102220.

The previous prime is 257939224889. The next prime is 257939224987. The reversal of 257939224906 is 609422939752.

257939224906 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5862255090 + ... + 5862255133.

It is an arithmetic number, because the mean of its divisors is an integer number (52760296008).

Almost surely, 2^257939224906 is an apocalyptic number.

257939224906 is a deficient number, since it is larger than the sum of its proper divisors (164143143158).

257939224906 is a wasteful number, since it uses less digits than its factorization.

257939224906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724510236.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 257939224906 in words is "two hundred fifty-seven billion, nine hundred thirty-nine million, two hundred twenty-four thousand, nine hundred six".