157399929837 has 8 divisors (see below), whose sum is σ = 233185081280. Its totient is φ = 104933286540.

The previous prime is 157399929787. The next prime is 157399929871. The reversal of 157399929837 is 738929993751.

157399929837 is a `hidden beast` number, since 157 + 399 + 9 + 2 + 9 + 83 + 7 = 666.

157399929837 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 157399929837 - 2¹⁰ = 157399928813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157399999837) 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 7 ways as a sum of consecutive naturals, for example, 2914813489 + ... + 2914813542.

It is an arithmetic number, because the mean of its divisors is an integer number (29148135160).

Almost surely, 2^157399929837 is an apocalyptic number.

It is an amenable number.

157399929837 is a deficient number, since it is larger than the sum of its proper divisors (75785151443).

157399929837 is an equidigital number, since it uses as much as digits as its factorization.

157399929837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829627040 (or 5829627034 counting only the distinct ones).

The product of its digits is 231472080, while the sum is 72.

The spelling of 157399929837 in words is "one hundred fifty-seven billion, three hundred ninety-nine million, nine hundred twenty-nine thousand, eight hundred thirty-seven".