157892689147 has 2 divisors, whose sum is σ = 157892689148. Its totient is φ = 157892689146.

The previous prime is 157892689133. The next prime is 157892689169. The reversal of 157892689147 is 741986298751.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157892689147 is a prime.

It is not a weakly prime, because it can be changed into another prime (157892689117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78946344573 + 78946344574.

It is an arithmetic number, because the mean of its divisors is an integer number (78946344574).

Almost surely, 2^157892689147 is an apocalyptic number.

157892689147 is a deficient number, since it is larger than the sum of its proper divisors (1).

157892689147 is an equidigital number, since it uses as much as digits as its factorization.

157892689147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 67.

The spelling of 157892689147 in words is "one hundred fifty-seven billion, eight hundred ninety-two million, six hundred eighty-nine thousand, one hundred forty-seven".