867402734427 has 16 divisors (see below), whose sum is σ = 1285131392160. Its totient is φ = 578227852800.

The previous prime is 867402734357. The next prime is 867402734431. The reversal of 867402734427 is 724437204768.

867402734427 is a `hidden beast` number, since 86 + 74 + 0 + 2 + 73 + 4 + 427 = 666.

It is not a de Polignac number, because 867402734427 - 2⁸ = 867402734171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (867402734227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734974 + ... + 1508307.

It is an arithmetic number, because the mean of its divisors is an integer number (80320712010).

Almost surely, 2^867402734427 is an apocalyptic number.

867402734427 is a deficient number, since it is larger than the sum of its proper divisors (417728657733).

867402734427 is a wasteful number, since it uses less digits than its factorization.

867402734427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257611 (or 2257605 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 54.

The spelling of 867402734427 in words is "eight hundred sixty-seven billion, four hundred two million, seven hundred thirty-four thousand, four hundred twenty-seven".