159764947 has 2 divisors, whose sum is σ = 159764948. Its totient is φ = 159764946.

The previous prime is 159764933. The next prime is 159764951. The reversal of 159764947 is 749467951.

159764947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (749467951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159764947 - 2⁷ = 159764819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159764894 and 159764903.

It is not a weakly prime, because it can be changed into another prime (159764047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79882473 + 79882474.

It is an arithmetic number, because the mean of its divisors is an integer number (79882474).

Almost surely, 2^159764947 is an apocalyptic number.

159764947 is a deficient number, since it is larger than the sum of its proper divisors (1).

159764947 is an equidigital number, since it uses as much as digits as its factorization.

159764947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 159764947 is about 12639.8159401156. The cubic root of 159764947 is about 542.6175463608.

It can be divided in two parts, 1597649 and 47, that added together give a square (1597696 = 1264²).

The spelling of 159764947 in words is "one hundred fifty-nine million, seven hundred sixty-four thousand, nine hundred forty-seven".