157570537387 has 4 divisors (see below), whose sum is σ = 157992978880. Its totient is φ = 157148095896.

The previous prime is 157570537381. The next prime is 157570537427. The reversal of 157570537387 is 783735075751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783735075751 = 251 ⋅3122450501.

It is a cyclic number.

It is not a de Polignac number, because 157570537387 - 2³ = 157570537379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157570537381) 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, 211220187 + ... + 211220932.

It is an arithmetic number, because the mean of its divisors is an integer number (39498244720).

Almost surely, 2^157570537387 is an apocalyptic number.

157570537387 is a deficient number, since it is larger than the sum of its proper divisors (422441493).

157570537387 is an equidigital number, since it uses as much as digits as its factorization.

157570537387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422441492.

The product of its (nonzero) digits is 21609000, while the sum is 58.

The spelling of 157570537387 in words is "one hundred fifty-seven billion, five hundred seventy million, five hundred thirty-seven thousand, three hundred eighty-seven".