947438183472 has 120 divisors (see below), whose sum is σ = 2720510094960. Its totient is φ = 283876454400.

The previous prime is 947438183411. The next prime is 947438183491. The reversal of 947438183472 is 274381834749.

It is a super-2 number, since 2×947438183472² (a number of 25 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399529 + ... + 1433352.

It is an arithmetic number, because the mean of its divisors is an integer number (22670917458).

Almost surely, 2^947438183472 is an apocalyptic number.

It is an amenable number.

947438183472 is an abundant number, since it is smaller than the sum of its proper divisors (1773071911488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947438183472 is a wasteful number, since it uses less digits than its factorization.

947438183472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833003 (or 1832986 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 60.

The spelling of 947438183472 in words is "nine hundred forty-seven billion, four hundred thirty-eight million, one hundred eighty-three thousand, four hundred seventy-two".