947840379075 has 30 divisors (see below), whose sum is σ = 1755728034324. Its totient is φ = 505514867760.

The previous prime is 947840379067. The next prime is 947840379121. The reversal of 947840379075 is 570973048749.

947840379075 is a `hidden beast` number, since 9 + 4 + 78 + 403 + 7 + 90 + 75 = 666.

It is not a de Polignac number, because 947840379075 - 2³ = 947840379067 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 234032637 + ... + 234036686.

Almost surely, 2^947840379075 is an apocalyptic number.

947840379075 is a deficient number, since it is larger than the sum of its proper divisors (807887655249).

947840379075 is a wasteful number, since it uses less digits than its factorization.

947840379075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468069345 (or 468069331 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 947840379075 in words is "nine hundred forty-seven billion, eight hundred forty million, three hundred seventy-nine thousand, seventy-five".