157287157287 has 64 divisors (see below), whose sum is σ = 236421736320. Its totient is φ = 92378880000.

The previous prime is 157287157243. The next prime is 157287157301. The reversal of 157287157287 is 782751782751.

157287157287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157287157287 - 2²⁰ = 157286108711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157287157287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157287157217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15881037 + ... + 15890937.

It is an arithmetic number, because the mean of its divisors is an integer number (3694089630).

Almost surely, 2^157287157287 is an apocalyptic number.

157287157287 is a deficient number, since it is larger than the sum of its proper divisors (79134579033).

157287157287 is a wasteful number, since it uses less digits than its factorization.

157287157287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164.

The product of its digits is 15366400, while the sum is 60.

The spelling of 157287157287 in words is "one hundred fifty-seven billion, two hundred eighty-seven million, one hundred fifty-seven thousand, two hundred eighty-seven".