427350975975 has 240 divisors, whose sum is σ = 999453649920. Its totient is φ = 175347244800.

The previous prime is 427350975959. The next prime is 427350976033. The reversal of 427350975975 is 579579053724.

427350975975 is a `hidden beast` number, since 4 + 2 + 7 + 3 + 509 + 7 + 59 + 75 = 666.

It is not a de Polignac number, because 427350975975 - 2⁴ = 427350975959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 12300729 + ... + 12335421.

It is an arithmetic number, because the mean of its divisors is an integer number (4164390208).

Almost surely, 2^427350975975 is an apocalyptic number.

427350975975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

427350975975 is an abundant number, since it is smaller than the sum of its proper divisors (572102673945).

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

427350975975 is a wasteful number, since it uses less digits than its factorization.

427350975975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34812 (or 34798 counting only the distinct ones).

The product of its (nonzero) digits is 83349000, while the sum is 63.

The spelling of 427350975975 in words is "four hundred twenty-seven billion, three hundred fifty million, nine hundred seventy-five thousand, nine hundred seventy-five".