157087857826 has 8 divisors (see below), whose sum is σ = 245876647104. Its totient is φ = 75128975460.

The previous prime is 157087857821. The next prime is 157087857827. The reversal of 157087857826 is 628758780751.

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

It is not an unprimeable number, because it can be changed into a prime (157087857821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707476670 + ... + 1707476761.

It is an arithmetic number, because the mean of its divisors is an integer number (30734580888).

Almost surely, 2^157087857826 is an apocalyptic number.

157087857826 is a deficient number, since it is larger than the sum of its proper divisors (88788789278).

157087857826 is a wasteful number, since it uses less digits than its factorization.

157087857826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414953456.

The product of its (nonzero) digits is 52684800, while the sum is 64.

The spelling of 157087857826 in words is "one hundred fifty-seven billion, eighty-seven million, eight hundred fifty-seven thousand, eight hundred twenty-six".