157857350858 has 8 divisors (see below), whose sum is σ = 236849706720. Its totient is φ = 78907448620.

The previous prime is 157857350813. The next prime is 157857350867. The reversal of 157857350858 is 858053758751.

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

It is a self number, because there is not a number n which added to its sum of digits gives 157857350858.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10604108 + ... + 10618983.

It is an arithmetic number, because the mean of its divisors is an integer number (29606213340).

Almost surely, 2^157857350858 is an apocalyptic number.

157857350858 is a deficient number, since it is larger than the sum of its proper divisors (78992355862).

157857350858 is a wasteful number, since it uses less digits than its factorization.

157857350858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21226812.

The product of its (nonzero) digits is 47040000, while the sum is 62.

The spelling of 157857350858 in words is "one hundred fifty-seven billion, eight hundred fifty-seven million, three hundred fifty thousand, eight hundred fifty-eight".