157476242091447 has 6 divisors (see below), whose sum is σ = 227465683020992. Its totient is φ = 104984161394292.

The previous prime is 157476242091401. The next prime is 157476242091473. The reversal of 157476242091447 is 744190242674751.

157476242091447 is a `hidden beast` number, since 1 + 5 + 7 + 4 + 7 + 62 + 42 + 0 + 91 + 447 = 666.

It is not a de Polignac number, because 157476242091447 - 2¹⁴ = 157476242075063 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 (157476242096447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8748680116183 + ... + 8748680116200.

Almost surely, 2^{157476242091447} is an apocalyptic number.

157476242091447 is a deficient number, since it is larger than the sum of its proper divisors (69989440929545).

157476242091447 is a wasteful number, since it uses less digits than its factorization.

157476242091447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17497360232389 (or 17497360232386 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 63.

The spelling of 157476242091447 in words is "one hundred fifty-seven trillion, four hundred seventy-six billion, two hundred forty-two million, ninety-one thousand, four hundred forty-seven".