947150769 has 4 divisors (see below), whose sum is σ = 1262867696. Its totient is φ = 631433844.

The previous prime is 947150761. The next prime is 947150773. The reversal of 947150769 is 967051749.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 947150769 - 2³ = 947150761 is a prime.

It is a super-2 number, since 2×947150769² = 1794189158434582722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947150761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157858459 + ... + 157858464.

It is an arithmetic number, because the mean of its divisors is an integer number (315716924).

Almost surely, 2^947150769 is an apocalyptic number.

It is an amenable number.

947150769 is a deficient number, since it is larger than the sum of its proper divisors (315716927).

947150769 is a wasteful number, since it uses less digits than its factorization.

947150769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315716926.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 947150769 is about 30775.8146764631. The cubic root of 947150769 is about 982.0638060119.

The spelling of 947150769 in words is "nine hundred forty-seven million, one hundred fifty thousand, seven hundred sixty-nine".