42847421164407 has 12 divisors (see below), whose sum is σ = 62201728102800. Its totient is φ = 28421404992288.

The previous prime is 42847421164369. The next prime is 42847421164421. The reversal of 42847421164407 is 70446112474824.

42847421164407 is a `hidden beast` number, since 4 + 2 + 8 + 4 + 74 + 2 + 1 + 164 + 407 = 666.

It is not a de Polignac number, because 42847421164407 - 2¹² = 42847421160311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42847421164447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11961868998 + ... + 11961872579.

It is an arithmetic number, because the mean of its divisors is an integer number (5183477341900).

Almost surely, 2^{42847421164407} is an apocalyptic number.

42847421164407 is a deficient number, since it is larger than the sum of its proper divisors (19354306938393).

42847421164407 is a wasteful number, since it uses less digits than its factorization.

42847421164407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923741782 (or 23923741779 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 54.

The spelling of 42847421164407 in words is "forty-two trillion, eight hundred forty-seven billion, four hundred twenty-one million, one hundred sixty-four thousand, four hundred seven".