157039694347 has 4 divisors (see below), whose sum is σ = 157077898336. Its totient is φ = 157001490360.

The previous prime is 157039694323. The next prime is 157039694363. The reversal of 157039694347 is 743496930751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743496930751 = 47 ⋅15819083633.

It is a cyclic number.

It is not a de Polignac number, because 157039694347 - 2⁷ = 157039694219 is a prime.

It is a super-2 number, since 2×157039694347² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157039694291 and 157039694300.

It is not an unprimeable number, because it can be changed into a prime (157039694047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19095828 + ... + 19104049.

It is an arithmetic number, because the mean of its divisors is an integer number (39269474584).

Almost surely, 2^157039694347 is an apocalyptic number.

157039694347 is a deficient number, since it is larger than the sum of its proper divisors (38203989).

157039694347 is an equidigital number, since it uses as much as digits as its factorization.

157039694347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38203988.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 157039694347 in words is "one hundred fifty-seven billion, thirty-nine million, six hundred ninety-four thousand, three hundred forty-seven".