427881075312 has 40 divisors (see below), whose sum is σ = 1105437747456. Its totient is φ = 142616921536.

The previous prime is 427881075247. The next prime is 427881075313. The reversal of 427881075312 is 213570188724.

It is a super-2 number, since 2×427881075312² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427881075313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384943 + ... + 1001969.

Almost surely, 2^427881075312 is an apocalyptic number.

It is an amenable number.

427881075312 is an abundant number, since it is smaller than the sum of its proper divisors (677556672144).

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

427881075312 is a wasteful number, since it uses less digits than its factorization.

427881075312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631485 (or 631479 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 427881075312 in words is "four hundred twenty-seven billion, eight hundred eighty-one million, seventy-five thousand, three hundred twelve".