157463999947 has 2 divisors, whose sum is σ = 157463999948. Its totient is φ = 157463999946.

The previous prime is 157463999933. The next prime is 157464000049. The reversal of 157463999947 is 749999364751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157463999947 - 2¹⁵ = 157463967179 is a prime.

It is a super-2 number, since 2×157463999947² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157463999947.

It is not a weakly prime, because it can be changed into another prime (157463999747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78731999973 + 78731999974.

It is an arithmetic number, because the mean of its divisors is an integer number (78731999974).

Almost surely, 2^157463999947 is an apocalyptic number.

157463999947 is a deficient number, since it is larger than the sum of its proper divisors (1).

157463999947 is an equidigital number, since it uses as much as digits as its factorization.

157463999947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 462944160, while the sum is 73.

The spelling of 157463999947 in words is "one hundred fifty-seven billion, four hundred sixty-three million, nine hundred ninety-nine thousand, nine hundred forty-seven".