427251172104 has 24 divisors (see below), whose sum is σ = 1157138591310. Its totient is φ = 142417057344.

The previous prime is 427251172097. The next prime is 427251172109. The reversal of 427251172104 is 401271152724.

427251172104 is a `hidden beast` number, since 4 + 2 + 72 + 511 + 72 + 1 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 307326096900 + 119925075204 = 554370^2 + 346302^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (427251172109) 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 5 ways as a sum of consecutive naturals, for example, 2967021957 + ... + 2967022100.

Almost surely, 2^427251172104 is an apocalyptic number.

It is an amenable number.

427251172104 is an abundant number, since it is smaller than the sum of its proper divisors (729887419206).

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

427251172104 is a wasteful number, since it uses less digits than its factorization.

427251172104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934044069 (or 5934044062 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 427251172104 in words is "four hundred twenty-seven billion, two hundred fifty-one million, one hundred seventy-two thousand, one hundred four".