157585585747 has 2 divisors, whose sum is σ = 157585585748. Its totient is φ = 157585585746.

The previous prime is 157585585697. The next prime is 157585585757. The reversal of 157585585747 is 747585585751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157585585747 is a prime.

It is not a weakly prime, because it can be changed into another prime (157585585757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78792792873 + 78792792874.

It is an arithmetic number, because the mean of its divisors is an integer number (78792792874).

Almost surely, 2^157585585747 is an apocalyptic number.

157585585747 is a deficient number, since it is larger than the sum of its proper divisors (1).

157585585747 is an equidigital number, since it uses as much as digits as its factorization.

157585585747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274400000, while the sum is 67.

The spelling of 157585585747 in words is "one hundred fifty-seven billion, five hundred eighty-five million, five hundred eighty-five thousand, seven hundred forty-seven".