157781238092 has 24 divisors (see below), whose sum is σ = 287818922160. Its totient is φ = 75588793280.

The previous prime is 157781238077. The next prime is 157781238103. The reversal of 157781238092 is 290832187751.

157781238092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5176343 + ... + 5206734.

It is an arithmetic number, because the mean of its divisors is an integer number (11992455090).

Almost surely, 2^157781238092 is an apocalyptic number.

It is an amenable number.

157781238092 is a deficient number, since it is larger than the sum of its proper divisors (130037684068).

157781238092 is a wasteful number, since it uses less digits than its factorization.

157781238092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10383241 (or 10383239 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 157781238092 in words is "one hundred fifty-seven billion, seven hundred eighty-one million, two hundred thirty-eight thousand, ninety-two".