157286399999 has 8 divisors (see below), whose sum is σ = 157868325888. Its totient is φ = 156705308280.

The previous prime is 157286399993. The next prime is 157286400023. The reversal of 157286399999 is 999993682751.

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-157286399999 is a prime.

It is a super-3 number, since 3×157286399999³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 8 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157286399993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170534 + ... + 586220.

It is an arithmetic number, because the mean of its divisors is an integer number (19733540736).

Almost surely, 2^157286399999 is an apocalyptic number.

157286399999 is a deficient number, since it is larger than the sum of its proper divisors (581925889).

157286399999 is a wasteful number, since it uses less digits than its factorization.

157286399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417085.

The product of its digits is 595213920, while the sum is 77.

The spelling of 157286399999 in words is "one hundred fifty-seven billion, two hundred eighty-six million, three hundred ninety-nine thousand, nine hundred ninety-nine".